Database Develop

Does kernel affect battery?

hi guys im running firebird rom and my battery life sucks really bad. i take it out of charge at 10am and it dies around 4.30pm so does kernel makes battery life bad?
my kernel says : 2.6.32.9 [email protected] #28
please share

Depends. Some kernels are overclocked and will use more battery. Some are poorly put together and will use more battery. Some may not work well with one ROM, but great with another. Not knowing what you do with your phone it is hard to point a finger at the kernel. Poor reception, lots of wifi on time, lots of screen on time, GPS use, push e-mail...lots of things take battery. You need to see what it is you're using and whether that and not the kernel is your issue.

Short answer is yes, kernel affects the battery. All you can do is try a few different ones and see which is best for your usage.

im on messenger services and about 40-50 text and 3 mins of calls and my 3g on and brightness all the way down. no gps no bluetooth or wifi. i use the phone pretty much straight from 10am with maybe 2 mins here and there screen off

sofia-captivate said:
im on messenger services and about 40-50 text and 3 mins of calls and my 3g on and brightness all the way down. no gps no bluetooth or wifi. i use the phone pretty much straight from 10am with maybe 2 mins here and there screen off
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Well, what more do you want? With that kind of usage I doubt you can do much better with any ROM.

that kinda sux but if the screen is really on that much it is normal, i dont think any rom has been tested to surpass 6 hours screen on time.
one good rom was andromda with which i had a hard time running my battery down in a single day, usually went 2 without a problem and i do a lot of texting. also an old version of perception built off a bell vibrant i9000m rom was outstanding.
kernels affect battery life but clock speed on the cpu has less to do with it than many people think, the assumption is faster cpu speeds means more power drawn but the cpu is governed, the governor setting have a lot to do with it. think about it, is it better for the cpu to take 4 seconds on an operation @ 600mhz or do the same operation in 2 seconds @1.2ghz? depends on alot of things reallly but thew difference is alot smaller than people expect. there is also kernelhz which i dont know much about but reportedly if set down to 100 to match another frequency(cant remember off the top of my head) will increase battery life.
the kernel controls many aspects of the system but i haven't seen a kernel that has had a huge increase in battery life given the same rom since the 2.1 days. and even then the battery life wasnt as good as a couple of the 2.2 roms. it seems to me that the rom has more to do with battery life. some vibrant ports have severe battery drain issues on the captivate. some i9000 ports have amazing batery life but most are about the same as stock to slightly better.
if battery life is a problem first you want to see if any processes keep the phone from sleeping. figure out what apps show in the running process list and try killing them, if they don't die/they start back up then freeze them in titanium backup and see if anything makes a difference. careful freezing system processes, some are not detrimental, most are.
other tips are to try apps that manage 3g like juice defender. and use wifi when you can 3g is a bigger battery hog than wifi. also there may be a way to set the phone to default to edge instead of 3g but i think it varies with the build of the rom, you will have to research that one.
other things to look at is weather you sync to google, facebook, twitter ect. those feeds widgets can eat battery as well as the sync process. weather widgets like beautiful widgets seem to have an effect on some of the vibrant ports i used but not as noticable on other roms.

Yikes...that is some awful battery life. I'm surprised because speedmod (and it's variants) is pretty well accepted as being the best kernel for battery life. There are many threads around here for improving battery life. I have personally found that my biggest battery user was constantly checking how much battery I had used.

If you are barely turning your screen off that is good battery life. You will never make it much past 5hrs screen time. Where people get like 40hrs on a charge is when the phone its not actually used, and their set up has good standby performance
CM7

When I used assonance I would get three days of battery life.
Sent using smoke signals.

As some have said screen time is the single biggest battery user. My phone will last for about 3 hours of screen on time. So I could have my phone die in 3 hours, or 2 days, it all depends on how often I'm turning that screen on.

Connor1 said:
When I used assonance I would get three days of battery life.
Sent using smoke signals.
Click to expand...
Click to collapse
Screenshot of total up time and screen-on time?
Sent from my SAMSUNG-SGH-I897 using XDA App

sf1120 said:
Screenshot of total up time and screen-on time?
Sent from my SAMSUNG-SGH-I897 using XDA App
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Here's a screenshot of my normal battery usage when I had a captivate, using Precision 3.5.
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wifi uses less power than 3g, my phone only drops 5% over an 8 hour sleep with wifi on the whole time.

ryude said:
Here's a screenshot of my normal battery usage when I had a captivate, using Precision 3.5.
Click to expand...
Click to collapse
Nice ryude.Mine's not as good,but close.So it just proved to me that when ppl say they got 3 days out of a single charge,they're actually not using their phone all.I'm not trying to flame anyone,just my honest opinion.I bought my phone so I can use it,not leave it on a desk.Here's mine.
Forgot:Running Phoenix Ultimate..

sf1120 said:
Nice ryude.Mine's not as good,but close.So it just proved to me that when ppl say they got 3 days out of a single charge,they're actually not using their phone all.I'm not trying to flame anyone,just my honest opinion.I bought my phone so I can use it,not leave it on a desk.Here's mine.
Forgot:Running Phoenix Ultimate..
Click to expand...
Click to collapse
Yeah, I would say if you're not getting at least 3 hours screen time then you aren't using your phone that much.

Trusselo said:
wifi uses less power than 3g, my phone only drops 5% over an 8 hour sleep with wifi on the whole time.
Click to expand...
Click to collapse
Not if you're in a bad reception area.
This is what I average on Andromeda. Some wifi, some GPS tracking, lots of music streaming via BT.

Of course, nearly everything comes into play. Modem, ROM, use, etc.

Here's my battery life from yesterday..

sf1120 said:
Here's my battery life from yesterday..
Click to expand...
Click to collapse
What ROM are you using?

Miami_Son said:
What ROM are you using?
Click to expand...
Click to collapse
Phoenix Ultimate,jk4 and speedmod.Basically whatever adam threw together.
Sent from my SAMSUNG-SGH-I897 using XDA App

common high android system usage in AOSP roms?

Since Galaxy S, I always had high android system usage in AOSP based roms.
The main difference between stock samsung firmware and aosp roms is (I believe) that system_server process is taking much more CPU in AOSP.
CM roms battery life has never been as good as fully bloated Samsung roms's battery life.
I'd like to hear a technical explanation from OmniRom developers about this issue. Do you have any plan to improve battery life, at least make it as good as stock roms'?

[email protected] said:
Since Galaxy S, I always had high android system usage in AOSP based roms.
The main difference between stock samsung firmware and aosp roms is (I believe) that system_server process is taking much more CPU in AOSP.
CM roms battery life has never been as good as fully bloated Samsung roms's battery life.
I'd like to hear a technical explanation from OmniRom developers about this issue. Do you have any plan to improve battery life, at least make it as good as stock roms'?
Click to expand...
Click to collapse
We have plans to improve battery life, however you need to differentiate the fact that the 'Android OS' battery usage will obviously show a higher value if the rest isn't using anything. Remember the sum of what you see in Settings > Battery has to make 100%, so if you don't do anything, then the few things that do something will have a higher usage percentage.
Unless you actually have measured system_server usage and have evidences it is really bigger - but anyway, we have plans for better battery life.

Once I compared Samsung Stock, CM9 and CM10 on Galaxy S2. I took screenshots and posted on a CM thread but couldn't get an answer.
I searched for that post but couldn't find it, but found this instead. May be autorotate was the problem.
http://forum.xda-developers.com/showthread.php?t=2103187
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XpLoDWilD said:
We have plans to improve battery life, however you need to differentiate the fact that the 'Android OS' battery usage will obviously show a higher value if the rest isn't using anything. Remember the sum of what you see in Settings > Battery has to make 100%, so if you don't do anything, then the few things that do something will have a higher usage percentage.
Unless you actually have measured system_server usage and have evidences it is really bigger - but anyway, we have plans for better battery life.
Click to expand...
Click to collapse
I'm running my own build of Omni on grouper with ~90 Apps installed and after 2 days of standby, the battery is still at 88%. So really good battery performance so far :good:

Excappe said:
I'm running my own build of Omni on grouper with ~90 Apps installed and after 2 days of standby, the battery is still at 88%. So really good battery performance so far :good:
Click to expand...
Click to collapse
Device?

[email protected] said:
Device?
Click to expand...
Click to collapse
i think grouper is nexus7 wifi models "codename"
E: @Excappe
also thats amazing battery life, i cant get even close to that on my build for FLO, u got some cherry-picks which helps on that?

makkeonmies said:
i think grouper is nexus7 wifi models "codename"
Click to expand...
Click to collapse
Nexus devices are specifically built for AOSP.
Samsung's Exynos is the worst chip when it comes to open source. AOSP roms don't have good battery life on Samsung devices unlike stock.

XpLoDWilD said:
We have plans to improve battery life, however you need to differentiate the fact that the 'Android OS' battery usage will obviously show a higher value if the rest isn't using anything. Remember the sum of what you see in Settings > Battery has to make 100%, so if you don't do anything, then the few things that do something will have a higher usage percentage.
Unless you actually have measured system_server usage and have evidences it is really bigger - but anyway, we have plans for better battery life.
Click to expand...
Click to collapse
makkeonmies said:
i think grouper is nexus7 wifi models "codename"
E: @Excappe
also thats amazing battery life, i cant get even close to that on my build for FLO, u got some cherry-picks which helps on that?
Click to expand...
Click to collapse
Yes, its the original, 2012 Nexus 7 Wi-Fi
I don't have any "cherry-picks" in the build (although I'll try to include multiwindow support in the next days).
To be fair, I barely used the device on battery and haven't run every app.
I just noticed I can't save take screenshots from the device ("storage may be in use"), but I pulled one from ADB:

Excappe said:
Yes, its the original, 2012 Nexus 7 Wi-Fi
I don't have any "cherry-picks" in the build (although I'll try to include multiwindow support in the next days).
To be fair, I barely used the device on battery and haven't run every app.
I just noticed I can't save take screenshots from the device ("storage may be in use"), but I pulled one from ADB:
Click to expand...
Click to collapse
yeah i kinda knew u didnt use device much, but thats still just amazing in my eyes.

[email protected] said:
Nexus devices are specifically built for AOSP.
Samsung's Exynos is the worst chip when it comes to open source. AOSP roms don't have good battery life on Samsung devices unlike stock.
Click to expand...
Click to collapse
I always had great battery life on my Exynos4 devices, far better than stock. About the only positive thing I can say about my experiences with AOSP derivatives on Haxxinos4. However I think the problem was one of Samsung's kernel updates really derped some **** when it got merged in and by that time, no one cared enough to bother fixing it.

Entropy512 said:
I always had great battery life on my Exynos4 devices, far better than stock. About the only positive thing I can say about my experiences with AOSP derivatives on Haxxinos4. However I think the problem was one of Samsung's kernel updates really derped some **** when it got merged in and by that time, no one cared enough to bother fixing it.
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Well, I'm going to try it now on my Note 2 then

[OP7PRO] ULTIMATE ROM/KERNEL BENCHMARK Comparison & Discussion - OOS vs AOSP

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So, I'm sure many of us have the burning question of which ROM/kernel any of us should use when it comes to pure performance. With so many ROMs out there, ones based on OOS, Havoc, Paranoid Android, crDroid, OmniROM, MIUI, the list just absolutely goes on. I want to use this thread as a way to inform people of any potential performance gains/loss when it comes to choosing a ROM, as well as just a thread to compare/talk about benchmarks in general.
So I've taken the liberty to run five different setups, (I can take some more as requests, if necessary.) and ran A LOT of benchmarks between all of them to see which ROM provides the best performance. These tests include four various games, some synthetic benchmarks, and storage tests. At the end of it all, I ran all the tests with some pretty heavy kernel based performance modifications that gave a surprising amount of performance gains in some scenarios.
The ROM setups I am using are:
Completely Stock (OOS Beta 11 with zero modifications)
Stock OOS Beta 11 but Magisk / xXx NoLimits xXx 10.1 / Data Formatted as F2FS
HavocOS 3.3 Build 3/17 w/ F2FS
Paranoid Android Quartz Beta 5 w/ F2FS
& Paranoid Android Quartz Beta 5 w/ F2FS AND SmurfKernel 3.5.1 rc17 slmk w/ Overclocks Enabled
All benchmarks were ran under the scrcpy ADB screen mirroring software, and under the settings I've used, it's shown to not provide any amount of performance loss. The command/options I've ran are "scrcpy --render-expired-frames -b 2M -m 768". That makes scrcpy not drop any lost frames (which will increase delay but make frame rate recording much more accurate), have a bitrate of 2Mbit/s, and have a screen height of only 768, which is easy for the phone to do while not incurring any performance loss. Game performance was recorded using MSI Afterburner over the scrcpy window, which isn't THE MOST accurate, but is the only option available due to certain apps not being able to be run under OOS (i.e. KFMARK actually offers these features in app, but crashes on OOS.)
So, lets get started, first, with the gaming benchmarks. I've chosen these games because they are the only ones that are intensive enough on the phone's hardware that can run without hitting the game's frame rate cap. The overclocking kernel of choice for these tests are @pappaschlumpf's SmurfKernel, all my settings can be found here.
GAMES:
Game 1:
Game 2:
Game 3:
Game 4:
ANTUTU:
3DMARK:
Test 1:
Test 2:
Test 3:
Test 4:
Test 5:
GFXBench 5.0:
Set 1:
Set 2:
Set 3:
Set 4:
Geekbench 5
AndroBench (Storage):
Set 1:
Set 2:
So, what is the takeaway from all this? Which is the winner of the best performing ROM? I think the short answer is, well, no one. Long answer? It really depends. Currently, I don't think ROMs alone can offer any amount of increase in CPU/GPU, giving any extra gaming performance. That seems to be solely up to the kernel.
At a glance, it may look like Havoc offers an immense increase in gaming performance from looking at all of the benchmarks. However, after checking Kernel Tuner, I actually noticed its kernel overclocks the GPU to 675 MHz, (up from 585).
Strangely, OOS seems to offer better SQLite performance than both other ROMs until some serious kernel tweaking is introduced. It may look like xXx NoLimits xXx gives higher storage based scores, but the gains were due to /data being formatted to F2FS. Thus, it seems like NoLimits provides zero recordable performance difference. Not sure what they mean by Speed/RAM optimized. Maybe it's just purely a debloating and keep-more-apps-in-Ram tool.
CPU scores between all ROMs is all within margin of error. I noticed higher MEM/Storage benchmark scores on AOSPA, as well as slightly faster app install times. However I imagine that comes from the fact that it uses the @arter97 kernel, not due to the ROM itself.
So, with all this said, I think the best ROM to choose is whichever one you feel like has the best features / ability to be a daily driver, not what you think will be better performance. I am personally sticking with Paranoid Android because some others have one or two annoying bugs that they haven't squashed and apps like Reachability Cursor and KFMark work seamlessly on it (unlike OOS).

remarkable

I miss crDroid, AOSPA and TreskMOD in that comparison. Good work anyway !

Mystenes said:
I miss crDroid, AOSPA and TreskMOD in that comparison. Good work anyway !
Click to expand...
Click to collapse
How on earth did you miss AOSPA?

rejectedjs said:
How on earth did you miss AOSPA?
Click to expand...
Click to collapse
Should be AOSiP

Mystenes said:
Should be AOSiP
Click to expand...
Click to collapse
AOSiP is based on pure AOSP and doesn't have any official Android 10 releases, it's still running Pie, so I don't want to waste time getting into it. TreskMod is just another mod of OmniROM, which HavocOS is already largely based from. crDroid looks interesting, so I'm currently running it and trying it out for myself and will update with benchmarks eventually.

for a reliable test, you must flash the same kernel with same settings in all roms, smurf kernel for example works in stock and customs.
You have smurf kernel with forced 90 hz, the same setup must be in all customs and is misconfigured, if you have surfaceflinger boost on, you must disable frame commit boost and viceversa.

how about call of duty mobile game?did you test it out?thanksyou

Toni Moon said:
for a reliable test, you must flash the same kernel with same settings in all roms, smurf kernel for example works in stock and customs.
You have smurf kernel with forced 90 hz, the same setup must be in all customs and is misconfigured, if you have surfaceflinger boost on, you must disable frame commit boost and viceversa.
Click to expand...
Click to collapse
I know SmurfKernel works on OOS / AOSP, the overclocking benchmarks weren't there to show "Look! SmurfKernel + AOSPA is so much better than others!", it's to show people how much of a difference overclocking can make, for them to make the decision of whether they think SmurfKernel's overclocking is worth flashing for or not. I didn't flash the same kernel to all ROMs because that's not the way the developers intended it to be. If the developers wanted their rom to be best experienced under SmurfKernel, they would have either explicitly stated it or packaged it in with the ROM. For example, the way AOSPA does with arter97's kernel. Flashing Smurf to everything would have defeated the purpose of comparing the ROMs.
xNovaLeader said:
how about call of duty mobile game?did you test it out?thanksyou
Click to expand...
Click to collapse
Call of Duty Mobile already runs at it's frame rate cap of 60FPS on our phones, there would be zero difference between ROMs.

rejectedjs said:
I know SmurfKernel works on OOS / AOSP, the overclocking benchmarks weren't there to show "Look! SmurfKernel + AOSPA is so much better than others!", it's to show people how much of a difference overclocking can make, for them to make the decision of whether they think SmurfKernel's overclocking is worth flashing for or not. I didn't flash the same kernel to all ROMs because that's not the way the developers intended it to be, if the developers wanted their rom to be best experienced under SmurfKernel, they would have either explicitly stated it, or packaged it in with the ROM, like the way AOSPA does with arter97's kernel. Flashing Smurf to everything would have defeated the purpose of comparing the ROMs.
Call of Duty Mobile already runs at it's frame rate cap of 60FPS on our phones, there would be zero difference between ROMs.
Click to expand...
Click to collapse
isee..thanks for the info..its suck when its come to flagship phone with higher refreshrate..

Wow, that's great! Now it seems almost strange why this wasn't done so far What about battery? It would be interesting to benchmark idle / active drain (maybe in 2 scenarios like chrome browsing and other in gaming?), just a though

spawnn617 said:
Wow, that's great! Now it seems almost strange why this wasn't done so far What about battery? It would be interesting to benchmark idle / active drain (maybe in 2 scenarios like chrome browsing and other in gaming?), just a though
Click to expand...
Click to collapse
I would like to do a battery life test but there are so many variables that would really come down to end user experience that I don't think it would be an accurate representation of the ROM's performance. If there's an app that just constantly drains the battery life, maybe I could try that, but I feel like that would take a really long time to post results for since that would be one ROM's results a day.

Thanks for this. I'm currently running OOS 10.3.1AA with arter97 r54 kernel ?? pretty happy with performance and kernel overall.

Best thread I've seen on xda in years. Thanks for this! :good:

Pfeffernuss said:
Best thread I've seen on xda in years. Thanks for this! :good:
Click to expand...
Click to collapse
Thanks! Lol, I'm glad it's getting some attention considering all the time I spent wiping and having to restart so much to get all the info!

rejectedjs said:
I would like to do a battery life test but there are so many variables that would really come down to end user experience that I don't think it would be an accurate representation of the ROM's performance. If there's an app that just constantly drains the battery life, maybe I could try that, but I feel like that would take a really long time to post results for since that would be one ROM's results a day.
Click to expand...
Click to collapse
PCMark has a battery test which works really well, but it takes like 9 hours to run haha
Would be awesome to see though

Thua far, the absolute smoothest experience Ive had on this phone has been OOS + Smurf + xXx. Without smurf, Ive seen no difference with or without xXx, however with it, the phone is butter smooth, its an enormous difference. Benchmarks on my phone are lower because I keep clocks low to save on battery, however even then the phone blazes through everything. Has a few kinks here and there that are admittedly quite annoying, though, so I am looking into other kernels a bit. Appreciate the post. Ill probably continue avoiding AOSP roms, Oxygen has spoiled me, such a good Rom.

Ruvaldak said:
Thua far, the absolute smoothest experience Ive had on this phone has been OOS + Smurf + xXx. Without smurf, Ive seen no difference with or without xXx, however with it, the phone is butter smooth, its an enormous difference. Benchmarks on my phone are lower because I keep clocks low to save on battery, however even then the phone blazes through everything. Has a few kinks here and there that are admittedly quite annoying, though, so I am looking into other kernels a bit. Appreciate the post. Ill probably continue avoiding AOSP roms, Oxygen has spoiled me, such a good Rom.
Click to expand...
Click to collapse
Arter kernel is a rather nippy and no stutters or hickups noticed yet, perhaps give that a whirl!

And how about battery drain ? Sot and idle ?

General Share your battery life

Really disappointed of the battery life. Wasn't the 888 supposed to be more battery efficient than the 865?
Light usage, not even 6h of SOT with 13% left. With indoor use (low brightness, wifi) , 120hz FHD+.
Compared to my OnePlus 8T, i can get slightly more than 7h of SOT...
What's your battery life ?
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Yes it supposed to be more battery efficient than the 865 but it isn't , at least for now. maybe they will tweak it in next few months. we will see. But you can do some tweaks also and you should get improvement. I see some people complaining about chrome using a lot of battery so I would uninstall it for the start and use some other browser , I can recommend kiwi with built in ad blocker and dark theme and is super light. But there's many other. Also today I was experimenting with dynamic wallpapers and I saw significant battery drain which was very noticeable so I just put black background. I never went to battery to follow what's going on , my device easily go through the day with normal use. I would say from 7 to 23 my battery goes from 100% to 10 - 30% depending on the use. For me I am very satisfied with the battery life.

For me only 2h max screen on ... I hâte this phone lol. My Poco F1 is better for batteur life

brolee93 said:
For me only 2h max screen on ... I hâte this phone lol. My Poco F1 is better for batteur life
Click to expand...
Click to collapse
How is that possible? 2h is just crazy.

From 100% to 9% with over 7h SoT without any charging. Sorry for screenshot without graph :/

@Asnamus your screenshots are not really helpful and funny, cuz you charge your phone @zacer I don't know what you try to do but why you can't provide screenshots? I will tell you why.
With stock global rom and also with beta 12.5 the battery life on Mi11 is really bad.
Staying home, almost only wifi and things like whatsapp, firefox, etc. without gaming or camera you will get about 6h SOT with 15h standby. If you are not home and use mobile data it's the worst battery life ever. It's like a Galaxy S6.
They will never fix this because the device is already +3 months old.

Linuxkek said:
@Asnamus your screenshots are not really helpful and funny, cuz you charge your phone @zacer I don't know what you try to do but why you can't provide screenshots? I will tell you why.
With stock global rom and also with beta 12.5 the battery life on Mi11 is really bad.
Staying home, almost only wifi and things like whatsapp, firefox, etc. without gaming or camera you will get about 6h SOT with 15h standby. If you are not home and use mobile data it's the worst battery life ever. It's like a Galaxy S6.
They will never fix this because the device is already +3 months old.
Click to expand...
Click to collapse
Today I will do the test and post , I am also interested what will be the result. My screen shot yesterday is a honest screen shot at that moment. It was more about how much Kiwi consump battery comparing to Crome and Themes (dynamic wallpapers)

@Linuxkek I didn't charge you can believe me or not. I just made that screenshot for my friend, sent him, and connected to charger(so the stats has been reset) . After that I saw this thread on forum and I pasted my result.

Like I sad you need to tweak a bit your device. I got 8h of SOT today with whole day abuse of the phone on maxed settings. 120hz 2k resolution and all ai turned on.

For me, not so far than 8h SOT with WQHD+, 120 Hz and AI activated all time for the first full charge.

Facebook app is causing random heating and battery drain.
Yesterday I had this issue and discovered that facebook app caused it. So I uninstalled it and I use Maki Plus for facebook. Great app. I must say that I got around 6h sot yesterday with this problem.

The word that describes my experience with this phone battery life is disappointment.
I am using it at FHD+ and 120Hz and I get 3,30-4 h of SOT. I does not matter if I use dark mode or not and I have already debloated the device.
I don´t think this is a hardware issue anyways so I hope it gets some kind of solution.

I will return it, really too bad. Miui is full of bugs, even with lot of compromises in my usage (dark mode, kiwi browser with night mode, black wallpaper...) Still get bad battery life.
Only 9h with 6h of SOT, whereas for a very similar usage, on my OnePlus 8T, i can get 24h with 8h of SOT.

According to Anandtech, they confirm that there is definitly something wrong about battery life, but they can't tell if it's hardware or software issue.
The Xiaomi Mi 11 Review: A Gorgeous Screen and Design
www.anandtech.com

Wahoux said:
According to Anandtech, they confirm that there is definitly something wrong about battery life, but they can't tell if it's hardware or software issue.
The Xiaomi Mi 11 Review: A Gorgeous Screen and Design
www.anandtech.com
Click to expand...
Click to collapse
It's definitely this "other". I don't know what a construction is this, the weirdest thing is that you can't find any information about, I never saw it on any other phone, and it sucks your battery off. I don't use games, any social, no demanding graphic, and I can't imagine what could be possibly hidden inside. Besides it waste the battery it looks shady.

for me first charge , 5h45 SOT , debloated, 1h45 calls , 24 h standby. disapointed

i am not sure why but with my mi11 i get a much higher SOT as with my Op8 Pro
the main difference
my Op8 Pro i restored from an oldbackup
my Mi11 i completely installed new every app, every setting
also i searched a little MIUI 12 Battery saving guide, applied some of the things which did not bother me too much and voila, i end up with 7+h SOT a day incl some walks with GPS, listen podcasts via bluetooth
FHD and 120Hz settings
i am satisfied with that, my OP8 Pro which i used the same only got me like 4,5h on a good day

Do you think 230 mah for "other" is normal?

I was on the latest cn rom waiting for the bootloader unlocking. Battery life was great. Averaging 10-9 hours of intense use.
After flashing eu 21.3.11 rom, the state of battery has deteriorated quite alot. I need to charge it at least twice to last for a whole day.
Is there a possibility to downgrade the rom to the previous version as I have seen people complaining after updating, or should I just for a fix in the upcoming update?

qvert said:
i am not sure why but with my mi11 i get a much higher SOT as with my Op8 Pro
the main difference
my Op8 Pro i restored from an oldbackup
my Mi11 i completely installed new every app, every setting
also i searched a little MIUI 12 Battery saving guide, applied some of the things which did not bother me too much and voila, i end up with 7+h SOT a day incl some walks with GPS, listen podcasts via bluetooth
FHD and 120Hz settings
i am satisfied with that, my OP8 Pro which i used the same only got me like 4,5h on a good day
Click to expand...
Click to collapse
Can you share this battery saving guide , would be interested

Question How much better the Pixel 7's battery life than the S22's?

Hi guys!
The problem
I currently have a base model Galaxy S22 Exynos and everything has been fine except battery life. I'm thinking of getting a Pixel 7 and I need your help to decide if it would be worth it. I have already disabled 5g and aod disabled, did most of the optimizations in the S22 thread but still, it can not last through a full day with what I would consider light use but you tell me.
My usage
I love listening to music on spotify, bt headphones, I use a lot of discord, messenger, and instagram chat, watch a lot of tiktok and youtube videos, and browse chrome. I commute and use 4g a lot. With my current usage the S22 battery discharges really fast.
S22, the good and the bad
While I love a lot about my S22, especially the high refresh rate screen sith symmetrical bezels, the battery on this phone is just plain bad and can not get me reliably through the day without battery anxiety. I feel miserable having to micro manage the battery in order to not run out of battery by the end of the day.
I am looking to buy a Pixel 7, because it ticks most of what I want in a phone:
- Good photos
- Snappy performance
- Very clean UI (although might be too clean with little customization options)
- Elegant, unique body
- High refresh rate amoled screen
So how has been your Pixel 7's battery life? While according to dxomark and gsmarena battery drain tests the P7 should have slightly better battery life, I have also read that it doesn't translate to significantly better battery life IRL usage. I don't want to upgrade if the P7 will only give me 30 more minutes of SOT, because there are a lot of things I love about the S22. S23 is too expensive atm.
So should I get rid of my S22 in favor of the Pixel 7? Do you think it would give me better battery life?
Thanks people
Edit: I bought a bluetooth headphone and listen regularly to music on spotify and mobile date when commuting to work or uni, and battery has been significantly worse. Also edited the post to be more readable.

blackrubi said:
Hi guys!
I got really fed up with how quickly my Galaxy S22 (Exynos, base model) drains even with 5g and aod disabled, did most of the optimizations in the S22 thread but still, it can not last through a full day with what I would consider light use but you tell me.
I commute a lot so half of the time im on LTE and usually use the following apps: Infinity for Reddit, Instagram, Messenger, Tiktok, Youtube, Chrome. I'm attaching a screenshot of my most impressive SOT (Although I'm usually getting 4-5) where I went from 100% to 4% and you can see what kind of apps I use on a general basis. I use 2sims and the second sim gets mediocre signal strength.
https://prnt.sc/GL09NBrv4e-r
Standby time is good, with special bixby routines that puts my phone into airplane mode during the night, but when the display is on and I actually use it, it drains so insanely quickly. And I'm not even listening to music!!!! Imagine if I actually used spotify and a bluetooth earphone, I guess I would have to keep my phone plugged into a powerbank all day? I can not even imagine what would happen if in the afternoon I would go out with my friends but would have to go home first to charge my phone or risk it running out of battery.
I am looking to buy a Pixel 7, because it ticks most of what I want in a phone:
- Good photos
- Snappy performance
- Very clean UI (although might be too clean with little customization options)
- Elegant body
- High refresh rate amoled screen
So how has been your Pixel 7's battery life? While I have read that the P7 should have a slightly better battery life, I have also read that software updates regularly mess it up. Also, I don't want to upgrade if the P7 will only give me 30 more minutes of SOT, because there are a lot of things I love about the S22. S23 is too expensive atm.
Do you think I would be able use all my applications including listening to music with bluetooth headphones, browsing and social media? I need a phone that lasts me from morning to evening and does not give me battery anxiety. I want to be able to use my phone more, which the S22 can not do.
Thanks people
Click to expand...
Click to collapse
Software updates do mess up the Pixel 7 but with the February patch, I have been getting good battery life. I don't know how much SOT I get from my phone since I just charged it at the time I am writing this but every time I have 100% before I go to school, I always end up with about 50-70% by the time I get home and for the late nights around midnight, I end up with 20-40% left of battery life. To me, that's good enough for my usage since I don't game on my Pixel.

This is my battery for Pixel 7:
It took some optimizing to get it good (Stock Google) but i'd say about 2 to 3 days on one charge is no problem with normal use (no gaming).
Have the adaptive battery off, it doesn't let phone go to deep sleep.
The 0.6% per hour while screen is off is amazing for the Tensor G2 chip.
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Quite stong battery i'd say:
By the way TikTok sends massive bursts of your data sometimes. I verified with this my router and it drains battery quite alot. Just use browser version.
And i'm using 2022 August version of phone software.

New Folder said:
This is my battery for Pixel 7:
It took some optimizing to get it good (Stock Google) but i'd say about 2 to 3 days on one charge is no problem with normal use (no gaming).
Have the adaptive battery off, it doesn't let phone go to deep sleep.
The 0.6% per hour while screen is off is amazing for the Tensor G2 chip.
Quite stong battery i'd say:
By the way TikTok sends massive bursts of your data sometimes. I verified with this my router and it drains battery quite alot. Just use browser version.
And i'm using 2022 August version of phone software.
Click to expand...
Click to collapse
It only seems to drain the battery when I'm actually using the app, so that's not really an issue because I'm in bed most of the times.

What about getting a wireless charging ring? Might solve your current dilemna!

blackrubi said:
Hi guys!
I got really fed up with how quickly my Galaxy S22 (Exynos, base model) drains even with 5g and aod disabled, did most of the optimizations in the S22 thread but still, it can not last through a full day with what I would consider light use but you tell me.
I commute a lot so half of the time im on LTE and usually use the following apps: Infinity for Reddit, Instagram, Messenger, Tiktok, Youtube, Chrome. I'm attaching a screenshot of my most impressive SOT (Although I'm usually getting 4-5) where I went from 100% to 4% and you can see what kind of apps I use on a general basis. I use 2sims and the second sim gets mediocre signal strength.
https://prnt.sc/GL09NBrv4e-r
Standby time is good, with special bixby routines that puts my phone into airplane mode during the night, but when the display is on and I actually use it, it drains so insanely quickly. And I'm not even listening to music!!!! Imagine if I actually used spotify and a bluetooth earphone, I guess I would have to keep my phone plugged into a powerbank all day? I can not even imagine what would happen if in the afternoon I would go out with my friends but would have to go home first to charge my phone or risk it running out of battery.
I am looking to buy a Pixel 7, because it ticks most of what I want in a phone:
- Good photos
- Snappy performance
- Very clean UI (although might be too clean with little customization options)
- Elegant body
- High refresh rate amoled screen
So how has been your Pixel 7's battery life? While I have read that the P7 should have a slightly better battery life, I have also read that software updates regularly mess it up. Also, I don't want to upgrade if the P7 will only give me 30 more minutes of SOT, because there are a lot of things I love about the S22. S23 is too expensive atm.
Do you think I would be able use all my applications including listening to music with bluetooth headphones, browsing and social media? I need a phone that lasts me from morning to evening and does not give me battery anxiety. I want to be able to use my phone more, which the S22 can not do.
Thanks people
Click to expand...
Click to collapse
Pixel phones are basically Android equivalent of iPhones. By that I mean you'll miss a lot of useful features if moving from other brands.
Pixel phones are just about their cameras. Although cameras are a very important consideration, there are several other equally (may be more) important things to consider when evaluating a smartphone.
The so called 'clean' or 'Stock Android' experience doesn't translate to better performance or battery life. On the contrary, they are actually worse compared to competition. The UI is overrated and cannot compensate for the lack of so many useful features present on Samsung and all Chinese brands.
If you are fine with good cameras (i.e. being absolute best isn't a requirement), you can consider Vivo X90 Pro, iQOO 11, OnePlus 11, etc. since S23 is ruled out for its price.

richb518 said:
What about getting a wireless charging ring? Might solve your current dilemna!
Click to expand...
Click to collapse
You are right and that is exactly what i was thinking. There exists a couple of magsafe wireless powerbanks that I could use and I already have magsafe rings that I can attach to any case I want.
But
1. I don't think the powerbanks would actually fit, because they would be blocked by the camera bump so they wouldn't sit flush with the back glass.
2. I don't want to play this minigame where i micro manage my phone to see where when and how I can charge it. I am also not into randomly whipping out a powerbank that's twice as thick as my phone because it can't hold a charge for more than a few hours.
Hence, I've decided to switch.

TheMystic said:
Pixel phones are basically Android equivalent of iPhones. By that I mean you'll miss a lot of useful features if moving from other brands.
Pixel phones are just about their cameras. Although cameras are a very important consideration, there are several other equally (may be more) important things to consider when evaluating a smartphone.
The so called 'clean' or 'Stock Android' experience doesn't translate to better performance or battery life. On the contrary, they are actually worse compared to competition. The UI is overrated and cannot compensate for the lack of so many useful features present on Samsung and all Chinese brands.
If you are fine with good cameras (i.e. being absolute best isn't a requirement), you can consider Vivo X90 Pro, iQOO 11, OnePlus 11, etc. since S23 is ruled out for its price.
Click to expand...
Click to collapse
Unfortunately, the first 2 are not available in my country and the Oneplus 11 is above my budget.
I am aware that Google's version of android has it's limitation, however, I love the clean, bloat-free UI and the phone looks so insanely cool! It also has relatively thin bezels, good high refresh rate screen. It ticks most of my criterias for a phone just like my S22, the only thing that keep's me from switching is not knowing how much better the battery life would be.
Although I do have to say that from 100-7% I got 6h 26m of SOT (Lots of tiktok, instagram, chrome, discord, infinity, messenger and tinder) and 21h 7m standby, so perhaps maybe I'm the one being out of touch how long batteries should last?

blackrubi said:
I love the clean, bloat-free UI
Click to expand...
Click to collapse
If you spend a little bit time, any OEM version of Android can be made super clean. And the several built-in useful features that are not available on Pixels will make the overall experience much better.
blackrubi said:
Although I do have to say that from 100-7% I got 6h 26m of SOT (Lots of tiktok, instagram, chrome, discord, infinity, messenger and tinder) and 21h 7m standby, so perhaps maybe I'm the one being out of touch how long batteries should last?
Click to expand...
Click to collapse
I'm pretty sure the Pixel 7 won't last this long, i.e. you are sure to see disappointment if you switch to it from your current phone.

TheMystic said:
If you spend a little bit time, any OEM version of Android can be made super clean. And the several built-in useful features that are not available on Pixels will make the overall experience much better.
Click to expand...
Click to collapse
The Pixel Launcher looks the best by far in my opinion. I am aware that custom launchers exist buy they can only mimic the real experience to a degree.
TheMystic said:
I'm pretty sure the Pixel 7 won't last this long, i.e. you are sure to see disappointment if you switch to it from your current phone.
Click to expand...
Click to collapse
I hope I can gaslight myself into thinking that I'm being unreasonable and this is absolutely fine battery life before I get my paycheck next month. According to dxomark, gsmarena and battery drain tests, the Pixel 7 should be much better for browsing and social media.

blackrubi said:
The Pixel Launcher looks the best by far in my opinion. I am aware that custom launchers exist buy they can only mimic the real experience to a degree.
Click to expand...
Click to collapse
I'm not talking about launcher features at all. There are several features built-in at the software level on OEM builds such as Samsung's OneUI, OnePlus' Oxygen OS, iQOO's FunTouch OS, etc. that do not have a solution using 3rd party apps. So Pixel users will have to live without these features, and it is a difficult proposition for those who come from other brands.
blackrubi said:
I hope I can gaslight myself into thinking that I'm being unreasonable and this is absolutely fine battery life before I get my paycheck next month.
Click to expand...
Click to collapse
6 hours of SOT with 20 hours of standby is quite good by today's standards. I don't think Pixel will last this long. With some Chinese brands like iQOO, Vivo, OnePlus, etc., you can expect to get an extra hour or two of battery life.
blackrubi said:
According to dxomark, gsmarena and battery drain tests, the Pixel 7 should be much better for browsing and social media.
Click to expand...
Click to collapse
Online tests do not usually represent real life usage.

TheMystic said:
Pixel phones are basically Android equivalent of iPhones. By that I mean you'll miss a lot of useful features if moving from other brands.
Pixel phones are just about their cameras. Although cameras are a very important consideration, there are several other equally (may be more) important things to consider when evaluating a smartphone.
The so called 'clean' or 'Stock Android' experience doesn't translate to better performance or battery life. On the contrary, they are actually worse compared to competition. The UI is overrated and cannot compensate for the lack of so many useful features present on Samsung and all Chinese brands.
If you are fine with good cameras (i.e. being absolute best isn't a requirement), you can consider Vivo X90 Pro, iQOO 11, OnePlus 11, etc. since S23 is ruled out for its price.
Click to expand...
Click to collapse
I totally do not agree at all with this.
I've been using the pixel 5 until recently and had all OnePlus devices up until the 5t. They were great and eben superior to the pixels.
Now I use the pixel 7 pro and it's absolutely amazing in pretty every aspect I can think of.
I only wished it was smaller and made of aluminum, just as the 5 was.
Anyways, before purchasing the p7p,I tried the s22 and hated it pretty much immediately.
That thing is cluttered with tons of software no one needs. Yes, there are dinner features that's might be useful, but not many. And if I want to, I can always find similar apps on there playstore.
What I can't do, is get rid of most of these apps, as they are baked into the system.
Comparing the s22 and the p7p I found the pixel much snappier, which is ridiculous, considering the in theory much more powerful hardware.
Battery life on the s22 was ok, but not brilliant on WLAN. Maybe 6 hours of sot with mostly reading on website and streaming media.Battery life.
Battery life on the p7p in WLAN was about 10-11 hours!
I can't say though how good it is outside of wlan as I only own it for a couple days and still use my old phone until I have all logins etc ready.
Anyways, I'm not missing any relevant features on the p7p, photos are great, it's snappier, than the s22 and updates come all the time.
My recommendation is to get the p7 or 07p instead of the s22.
The only downside really is the size.

deevil_2000 said:
I totally do not agree at all with this.
I've been using the pixel 5 until recently and had all OnePlus devices up until the 5t. They were great and eben superior to the pixels.
Now I use the pixel 7 pro and it's absolutely amazing in pretty every aspect I can think of.
I only wished it was smaller and made of aluminum, just as the 5 was.
Anyways, before purchasing the p7p,I tried the s22 and hated it pretty much immediately.
That thing is cluttered with tons of software no one needs. Yes, there are dinner features that's might be useful, but not many. And if I want to, I can always find similar apps on there playstore.
What I can't do, is get rid of most of these apps, as they are baked into the system.
Comparing the s22 and the p7p I found the pixel much snappier, which is ridiculous, considering the in theory much more powerful hardware.
Battery life on the s22 was ok, but not brilliant on WLAN. Maybe 6 hours of sot with mostly reading on website and streaming media.Battery life.
Battery life on the p7p in WLAN was about 10-11 hours!
I can't say though how good it is outside of wlan as I only own it for a couple days and still use my old phone until I have all logins etc ready.
Anyways, I'm not missing any relevant features on the p7p, photos are great, it's snappier, than the s22 and updates come all the time.
My recommendation is to get the p7 or 07p instead of the s22.
The only downside really is the size.
Click to expand...
Click to collapse
The most important benefit of having a feature built into the system is the quality of output. Third party apps do not always provide the same experience. That is also because of restrictions placed on them. System apps have a higher privilege set than user apps. Take for example, Scrolling Screenshots. Or Call Recording.
This is why I prefer OEM builds over Stock Android because 3rd party apps fail to provide quality output, both due to Android restrictions as well as due to lack of proper optimizations.
I have seen several reviews of Pixels and don't remember seeing anything that makes them stand out in terms of performance or battery life. So the whole purpose of having a 'clean' software is defeated.
That said, I have written a post where I have compared the software features of various OEM builds. Since I don't own a device from each brand, I need confirmation from real users of respective devices.
There are about 25 features that I really look forward to on my smartphones, and the lack of availability of some of those are indeed deal breakers for me. For example, lack of gesture support for system navigation when using 3rd party launchers on Xiaomi devices alone is a reason why I wouldn't buy them!
As far as Pixels are concerned, there is only one feature that they have that no other phones have: offline transcription with voice recordings. But Pixels lack many features that other OEM builds offer, enough to rule them out in the purchase decision.
Can you tell me which of the features listed there are available on Pixel phones? This will give clarity on what to expect from Pixel devices.
Here is the link:
Comparing Android 13 features of different OEMs | XDA Forums (xda-developers.com)

how u get 6.5h SOT and 20h standby on s22? all wifi? my s22 like ****, and even my pixel 7 cant get beat ur s22. my pixel only like 4.5h SOT and 20h standby I don'thabe WiFi.
so I don't recommend u downgrad ur phone to pixel 7.and I only use LTE, I don't using 5G, if I open 5G, this phone gonna burning. I do have customized ROM and kernel. just like TheMystic saying, i dont think Pixel 7 will last this long

w9909989 said:
how u get 6.5h SOT and 20h standby on s22? all wifi? my s22 like ****, and even my pixel 7 cant get beat ur s22. my pixel only like 4.5h SOT and 20h standby I don'thabe WiFi.
so I don't recommend u downgrad ur phone to pixel 7.and I only use LTE, I don't using 5G, if I open 5G, this phone gonna burning. I do have customized ROM and kernel. just like TheMystic saying, i dont think Pixel 7 will last this long
Click to expand...
Click to collapse
Sorry bro, but this was painful to read. ¯\_(ツ)_/¯

w9909989 said:
how u get 6.5h SOT and 20h standby on s22? all wifi? my s22 like ****, and even my pixel 7 cant get beat ur s22. my pixel only like 4.5h SOT and 20h standby I don'thabe WiFi.
so I don't recommend u downgrad ur phone to pixel 7.and I only use LTE, I don't using 5G, if I open 5G, this phone gonna burning. I do have customized ROM and kernel. just like TheMystic saying, i dont think Pixel 7 will last this long
Click to expand...
Click to collapse
Wait.... this is considered good SOT? Have I been living under a rock? I will **** my pants if watching videos and social media / browsing infinity reddit is considered heavy usage to the point that it is surprising that I got 6.5h SOT.
Most of it was on Wi-Fi, around 30% was on mobile data (4G). I have 5G disabled as my mobile carrier doesn't support it. I have also disabled a bunch of apps through adb, disabled execution of cached apps, most of my apps are in deep sleep and I don't have any applications installed that I don't use. I also use bixby routines to minimize overnight drain. I also have adaptive battery enabled. I also have bixby routines to turn on power saving mode when using power hungry apps. I'm on One UI 5.0 and will not upgrade to 5.1 because of insanely buggy software. That's it

The battery life questions about the Pixel 7 still stands, and I am looking even more into getting rid of my S22 as battery life has been significantly worse after getting a bt headphone and listening to music.

blackrubi said:
The battery life questions about the Pixel 7 still stands, and I am looking even more into getting rid of my S22 as battery life has been significantly worse after getting a bt headphone and listening to music.
Click to expand...
Click to collapse
My answer still stands. Don't expect magic from Pixel 7. The battery life you quoted for your S22 is what we see usually in premium phones, although it would vary depending on the quality and number of apps installed.
You can consider Motorola phones. Their cameras are very good and will give you 'Stock Android' like experience (aka lack of many useful features), since iQOO, Vivo, OnePlus and Xiaomi phones are probably not selling where you live.

TheMystic said:
My answer still stands. Don't expect magic from Pixel 7. The battery life you quoted for your S22 is what we see usually in premium phones, although it would vary depending on the quality and number of apps installed.
You can consider Motorola phones. Their cameras are very good and will give you 'Stock Android' like experience (aka lack of many useful features), since iQOO, Vivo, OnePlus and Xiaomi phones are probably not selling where you live.
Click to expand...
Click to collapse
It's uni season so I'm on the go much more often. I don't get nearly as much SOT as I have previously. My questions wasn't if the S22's battery life is okay but rather if the Pixel 7 could give me more autonomy.

blackrubi said:
It's uni season so I'm on the go much more often. I don't get nearly as much SOT as I have previously. My questions wasn't if the S22's battery life is okay but rather if the Pixel 7 could give me more autonomy.
Click to expand...
Click to collapse
Pixel phones are only about their cameras. There is nothing special about stock Android or their so called 'clean' software (I have already explained why that is so). And you get great cameras (if not absolute best) with other brands too.
Have you considered doing a factory reset of your S22? That might help. Also try and stick with installing only the essential apps that you use regularly.
I might also add something here. I can relate to how you feel. You have kind of tuned your mind to get the Pixel 7 now. If you can resist this urge for a month or two, the desire to buy it will fade away.
The reason I suggest you don't make the switch is primarily because I think it won't serve the purpose you're looking for. Or at the very least, won't justify losing money on the S22 and spending on getting the Pixel 7, unless there is a really good deal on offer.