Database Develop

Screen Brightness kills battery more than you'd think

So the poor battery life on my Note 4 might have more to do with screen brightness than I would have expected. Unfortunately, most people posting their SOT's aren't doing it in a very scientific way, so it's hard to know what we should expect from these devices.
Here are my battery test results using PCMark for Android https://play.google.com/store/apps/details?id=com.futuremark.pcmark.android.benchmark
In one test, I put the screen brightness to 100% and the results were pretty dismal. In the second test, I ran it at 50% brightness, which is brighter than the Note 2 at full and the results were much better.
I use Auto brightness during the day, which might explain my poor battery life, but I'd love to know what others score on PCMark are (it does run for 5+ hours!). I do keep my background BLACK, as well as using black themes on everything I can - for apps that only have white backgrounds, I use AutomateIt to invert the colors automatically. I would have thought these black backgrounds would do more, but it really comes down to brightness it seems.
I'm using an Exynos N910U model and left wifi connected while doing this test - 3 google accounts are synced on my device.

EP2008 said:
So the poor battery life on my Note 4 might have more to do with screen brightness than I would have expected. Unfortunately, most people posting their SOT's aren't doing it in a very scientific way, so it's hard to know what we should expect from these devices.
Here are my battery test results using PCMark for Android https://play.google.com/store/apps/details?id=com.futuremark.pcmark.android.benchmark
In one test, I put the screen brightness to 100% and the results were pretty dismal. In the second test, I ran it at 50% brightness, which is brighter than the Note 2 at full and the results were much better.
I use Auto brightness during the day, which might explain my poor battery life, but I'd love to know what others score on PCMark are (it does run for 5+ hours!). I do keep my background BLACK, as well as using black themes on everything I can - for apps that only have white backgrounds, I use AutomateIt to invert the colors automatically. I would have thought these black backgrounds would do more, but it really comes down to brightness it seems.
I'm using an Exynos N910U model and left wifi connected while doing this test - 3 google accounts are synced on my device.
Click to expand...
Click to collapse
thanks for tests im using my exynos version on auto brightness and generally get 6 hours SOT. i saw on alot of people s stats and people who has problems generally has google play services on their battery usage list and it definetly shouldnt be at there... its probably about location reports to google every1 should disable it from location settings it doesnt break anything.

tmac31 said:
thanks for tests im using my exynos version on auto brightness and generally get 6 hours SOT. i saw on alot of people s stats and people who has problems generally has google play services on their battery usage list and it definetly shouldnt be at there... its probably about location reports to google every1 should disable it from location settings it doesnt break anything.
Click to expand...
Click to collapse
Yes, location can be an issue, but I think that impacts standby time more than SOT. Currently I've done the following to help with location-related issues:
- used lion tamer (soon to be called amplify) to slow down NLP wakelocks.
- set my location settings to powersave mode
- setup AutomateIt to turn on GPS when I'm in Google Maps (I'm usually plugged into the car outlet, so battery isn't a concern while navigating.
- Greenify stuff like Google search, Maps and several others.
I like and use Location Reporting, so disabling it outright isn't an option. My standby usage is very good at usually less than 1% an hour and my wakelocks keep my device awake usually less than 6%, but I'm still working to lower that number.

EP2008 said:
Yes, location can be an issue, but I think that impacts standby time more than SOT. Currently I've done the following to help with location-related issues:
- used lion tamer (soon to be called amplify) to slow down NLP wakelocks.
- set my location settings to powersave mode
- setup AutomateIt to turn on GPS when I'm in Google Maps (I'm usually plugged into the car outlet, so battery isn't a concern while navigating.
- Greenify stuff like Google search, Maps and several others.
I like and use Location Reporting, so disabling it outright isn't an option. My standby usage is very good at usually less than 1% an hour and my wakelocks keep my device awake usually less than 6%, but I'm still working to lower that number.
Click to expand...
Click to collapse
last night with 10 hours sleep time. with wifi connected sync was activated for 3 mails. i just lost 2% and i didnt do anything special like you did. no greenify no root nothing i couldnt even install wakelock detector cuz its broken on kitkat without root.
. i just disabled some useless stuff like samsung store etc.. everything else is working. and on my car i generally listen music over bluetooth

Lux could help

tmac31 said:
last night with 10 hours sleep time. with wifi connected sync was activated for 3 mails. i just lost 2% and i didnt do anything special like you did. no greenify no root nothing i couldnt even install wakelock detector cuz its broken on kitkat without root.
. i just disabled some useless stuff like samsung store etc.. everything else is working. and on my car i generally listen music over bluetooth
Click to expand...
Click to collapse
Before I started tweaking, I was getting around 6%-9% drain PER HOUR! Disabling stuff without root only got me so far, then the xposed tweaks and Titanium Backup had to be used.

EP2008 said:
Before I started tweaking, I was getting around 6%-9% drain PER HOUR! Disabling stuff without root only got me so far, then the xposed tweaks and Titanium Backup had to be used.
Click to expand...
Click to collapse
like i said i dont know whats wrong for some people its probably something you installed(skype maybe) or mostly about location reporting. even last night i left my phone at 90% when i get it this morning after like 10 hours it was on 88% like i said earlier wifi was connected no power saving etc just normal idle time nothing special.

tmac31 said:
like i said i dont know whats wrong for some people its probably something you installed(skype maybe) or mostly about location reporting. even last night i left my phone at 90% when i get it this morning after like 10 hours it was on 88% like i said earlier wifi was connected no power saving etc just normal idle time nothing special.
Click to expand...
Click to collapse
I was testing without any apps installed (just whatever I used to record battery consumption) and it was crazy high. Then I started adding accounts and apps, tweaking and I got my standby time to be much lower, but SOT leaves much to be desired. I'm going to try using the manual brightness and see if there are any differences - I often find auto brightness to be too bright or too dim! No "sweet spot" found! LOL

Greeny can also help but may need root

I'd suggest changing the settings for your Battery Monitor Widget app. AFAICS it polls every 10 minutes so a wakelock occurs every ten minutes to save the data. Use something like an hour and see what happens. Also would highly recommend BetterBatteryStats, a free version is available here for members.
Sent from my LG-D802 using Tapatalk

bnbasarir said:
I'd suggest changing the settings for your Battery Monitor Widget app. AFAICS it polls every 10 minutes so a wakelock occurs every ten minutes to save the data. Use something like an hour and see what happens. Also would highly recommend BetterBatteryStats, a free version is available here for members.
Sent from my LG-D802 using Tapatalk
Click to expand...
Click to collapse
I'll try that, although that might only improve wakelocks, not screen on time.
BBS never worked right for me. Always complaining that it couldn't retrieve the stats or falling back on something else.
Sent from my SM-N910U

I was getting around 6%-9% drain PER HOUR!
Click to expand...
Click to collapse
Wait, with the screen off? Then you have something horribly wrong with your device. Mine did a few % over a night. With nothing done to the phone to conserve battery at all. Snapdragon, though. With the update.

I loose only 2% for 7h of standby last night.

We are seeing a trend I think, I noticed that it's mainly us 910U users or exnyos users complaining about battery life. So it must be something in the 910U rom?

I've got a 910F and I get 6 hours screen on time maximum :/

Slai said:
Wait, with the screen off? Then you have something horribly wrong with your device. Mine did a few % over a night. With nothing done to the phone to conserve battery at all. Snapdragon, though. With the update.
Click to expand...
Click to collapse
Doesn't happen now that I've rooted and applied my standard tweaks, but I tried a factory reset to see if I could correct the high standby drain and was not successful without these tweaks.
Sent from my SM-N910U

I have 910f and i got same issues with my batt.
i've tried clean system, root, custom rom. Battery is always draining higher than some people.
As i said in other thread: some people have an issue, some have great battery life. And nobody knows why

Maybe it's the guys who keep it stock and don't root, custom rom and "tweak" that get the good battery life.

Delete it pls.

Slai said:
Maybe it's the guys who keep it stock and don't root, custom rom and "tweak" that get the good battery life.
Click to expand...
Click to collapse
I'm on stock, but without tweaks I can't even go the day on standby. [emoji31]
Sent from my SM-N910U

P20 pro battery issues

Hi
Got my p20 pro a few days ago, love the phone but have a few issues, mainly battery.
After seeing slot of comments saying how people are easily getting 6/7 even 8 or 9 hours sot I'm struggling to get to 5. I have display on auto, removed uneeded apps, have darkened colour selected for menus etc yet I can't get through a day of use (Twitter, email, internet and some YouTube videos) I do have Spotify on in the background slot, but looking at the usage settings the highest battery use for that has been around 241 ma, so not a great deal
Is there anything obvious I'm missing?
A second issue is that when using pinch to zoom in you tube in landscape mode I get a line between the screen and the notch which looks like a weird display gap and is really annoying, anyone else get that?
Lastly...in camera mode I've watched a ton of phone reviews and night mode is a swipe able option along the bottom, next to aperture mode etc...however I don't have this, I have to go into more then night mode, anyone know why that is? ( I'm in the UK if that makes any difference)
Thanks for any help you can give
Ross

Same here, Im not impressed with the battery.

Same here. Its not a deal breaker though over night
I lose 2% on idle with aeroplane mode on and then shortly using 2% drops off.
We seem to forget that this is the initial release of the firmware - I am sure huawei will optimise it further to improve battery

My phone nearly always gets charged overnight, the fact that this is now easily getting me through the day with zero scares is good for me, I'm not trying to eek 2 days out of it, if Huawei somehow get that then all well and good, but for now I'm happy knowing it's unlikely to die on me if I leave the house at 100%

I had the same issue, but seem to have stabilised it.
Try the following :
Stick to one resolution rather than smart.
Disabled adaptive eye.
Keep the notch on
Managed all apps manually (setting only my key apps to auto and run in background)
I also deleted the cache on all apps and the system via boot menu because I think migration caused some of the issues.

I'm sure mines got something going on in the back ground, fully charged to 100% left in standby while driving to work, arrive (30 mind later with the phone not used) and it's gone down 3%.
Tried the settings above and have manual control over all the apps, I kill off apps after I use them and it's still draining worse than any phone I've had for the last few years.

rosseeles said:
Hi
Lastly...in camera mode I've watched a ton of phone reviews and night mode is a swipe able option along the bottom, next to aperture mode etc...however I don't have this, I have to go into more then night mode, anyone know why that is? ( I'm in the UK if that makes any difference)
Ross
Click to expand...
Click to collapse
That is the same menu i have (i'm in Belgium)
i have to go in "more" and then select "night shot"

Yeah, the phone menus are a step backwards from the mate 10 pro. Dunno why they've done it this way

rosseeles said:
I'm sure mines got something going on in the back ground, fully charged to 100% left in standby while driving to work, arrive (30 mind later with the phone not used) and it's gone down 3%.
Tried the settings above and have manual control over all the apps, I kill off apps after I use them and it's still draining worse than any phone I've had for the last few years.
Click to expand...
Click to collapse
Same here!!!

I get between 8 and 9 SOT a day, Wifi most of the day, 3 hours netflix on 4g with BT headphones, instagram, whatsapp, web browsing, streaming deezer music on BT headphones, texts, some calls. No snapchat or games though and facebook is not logged in.
Haven't tested standby drain yet but maybe it's standby that's killing your battery?
This is in one day though and is excessive use as I have two Instagram accounts and lots of work emails as well. I also don't have a pc at home so use phone for browsing.

How is your settings within the battery category? Do you manage the apps to etc run manually or what do you have in the settings that gets you so much of SOT?

So after some days of testing and trying out some battery monitor apps, the max SOT that I get is 5 hours and 45 minutes.
GSam reports that Android System and Kernel (Android OS) use more than 30% of the battery combined. Is that normal? I'll attach some screenshots.
What I also find interesting is that the AccuBattery app shows that the estimated capacity of my battery being at 3500mAh out off the 4,000mAh design capacity and battery health is at 88%.

Jonathan-H said:
I get between 8 and 9 SOT a day, Wifi most of the day, 3 hours netflix on 4g with BT headphones, instagram, whatsapp, web browsing, streaming deezer music on BT headphones, texts, some calls. No snapchat or games though and facebook is not logged in.
Haven't tested standby drain yet but maybe it's standby that's killing your battery?
This is in one day though and is excessive use as I have two Instagram accounts and lots of work emails as well. I also don't have a pc at home so use phone for browsing.
Click to expand...
Click to collapse
I'm sorry but how do you achieve this? I barely get 5 hours SOT with WI-FI on, instagram, messenger, facebook etc. Also my apps are running on AUTO APp launch.
AlexRocker said:
So after some days of testing and trying out some battery monitor apps, the max SOT that I get is 5 hours and 45 minutes.
GSam reports that Android System and Kernel (Android OS) use more than 30% of the battery combined. Is that normal? I'll attach some screenshots.
What I also find interesting is that the AccuBattery app shows that the estimated capacity of my battery being at 3500mAh out off the 4,000mAh design capacity and battery health is at 88%.
Click to expand...
Click to collapse
Have you figured out what is causing the problems? I'm having pretty similar issues.

wort11 said:
I'm sorry but how do you achieve this? I barely get 5 hours SOT with WI-FI on, instagram, messenger, facebook etc. Also my apps are running on AUTO APp launch.
Have you figured out what is causing the problems? I'm having pretty similar issues.
Click to expand...
Click to collapse
Unfortunately I haven't had any luck either. I've deactivated almost everything that could be using up the battery and I still don't get more than 6-7 hours of SOT... I've had the phone for two months now, battery life didn't really get better as some people mention. I carry a powerbank with me cause when I'm out and taking photos it doesn't even make it through half the day...

Did you guys deactivate the option mobile data while connected with wifi? That drains a lot of battery while connected with wifi and is activated out of the box for no reason. What also drains battery are the two options under location settings to search for wifi networks all the time.
When I was on emui I set all apps to manual and only activated active in background and auto start for apps that really need it and I want to get notifications from, like WhatsApp and telegram.
Under mobile data settings I also deactivated background data for those apps and boom, easily 10+ hrs SOT when on WiFi or 7-8 hrs on mobile data.
I'm running force Doze app as well but that might only help with standby drain.
Oh and get rid of Facebook, messenger and snapchat if you want good battery. They are known for huge drain and there are good or even better alternatives like Friendly e.g.

AlexRocker said:
Unfortunately I haven't had any luck either. I've deactivated almost everything that could be using up the battery and I still don't get more than 6-7 hours of SOT... I've had the phone for two months now, battery life didn't really get better as some people mention. I carry a powerbank with me cause when I'm out and taking photos it doesn't even make it through half the day...
Click to expand...
Click to collapse
That does not sound too bad...At least you're getting 6-7 hours of SOT. I'm getting like 4H MAX lately. And that is mostly internal usage! with low brightness.
reppi said:
Did you guys deactivate the option mobile data while connected with wifi? That drains a lot of battery while connected with wifi and is activated out of the box for no reason. What also drains battery are the two options under location settings to search for wifi networks all the time.
When I was on emui I set all apps to manual and only activated active in background and auto start for apps that really need it and I want to get notifications from, like WhatsApp and telegram.
Under mobile data settings I also deactivated background data for those apps and boom, easily 10+ hrs SOT when on WiFi or 7-8 hrs on mobile data.
I'm running force Doze app as well but that might only help with standby drain.
Oh and get rid of Facebook, messenger and snapchat if you want good battery. They are known for huge drain and there are good or even better alternatives like Friendly e.g.
Click to expand...
Click to collapse
Thanks for that! I've just disabled "Mobile data always on" and we'll see how much difference does it make. I also might give Friendly a shot.
Also, if I disable background data/app launch for Facebook, that will surely prevent facebook to sync constantly, right? I don't need constant notifications from facebook, only from messenger.
Also I noticed I went to sleep with 100%, after 7 hours I woke up with 92% left. That is with Always ON display. Is this normal standby drain? I'm also thinking about disabling always on display as it does not show notifications correctly anyway.

wort11 said:
That does not sound too bad...At least you're getting 6-7 hours of SOT. I'm getting like 4H MAX lately. And that is mostly internal usage! with low brightness.
Thanks for that! I've just disabled "Mobile data always on" and we'll see how much difference does it make. I also might give Friendly a shot.
Also, if I disable background data/app launch for Facebook, that will surely prevent facebook to sync constantly, right? I don't need constant notifications from facebook, only from messenger.
Also I noticed I went to sleep with 100%, after 7 hours I woke up with 92% left. That is with Always ON display. Is this normal standby drain? I'm also thinking about disabling always on display as it does not show notifications correctly anyway.
Click to expand...
Click to collapse
Yes that should prevent notifications from Facebook.
Hm when I charge it to 100% I usually still have 100% when I wake up 7hrs later. That doesn't mean I have no drain but I think the phone stays at 100% fairly long and seems to drain faster on low battery percentage (similar to iPhone afaik). When I charge to 90% for example I wake up with 87% or so. That's more realistic I think. Wifi on, everything else off, no AOD.

reppi said:
Did you guys deactivate the option mobile data while connected with wifi? That drains a lot of battery while connected with wifi and is activated out of the box for no reason. What also drains battery are the two options under location settings to search for wifi networks all the time.
When I was on emui I set all apps to manual and only activated active in background and auto start for apps that really need it and I want to get notifications from, like WhatsApp and telegram.
Under mobile data settings I also deactivated background data for those apps and boom, easily 10+ hrs SOT when on WiFi or 7-8 hrs on mobile data.
I'm running force Doze app as well but that might only help with standby drain.
Oh and get rid of Facebook, messenger and snapchat if you want good battery. They are known for huge drain and there are good or even better alternatives like Friendly e.g.
Click to expand...
Click to collapse
What system apps do you deactivate background data? I just did it to some of my installed apps and i hope i will see a diffrence soon. And where can i find "deactivate mobile data when on wifi?.
Thanks

Elwaa said:
What system apps do you deactivate background data? I just did it to some of my installed apps and i hope i will see a diffrence soon. And where can i find "deactivate mobile data when on wifi?.
Thanks
Click to expand...
Click to collapse
Not too many actually. Could probably deactivate some more but seems fine as it is.
My system is German but it must be somewhere in wireless and network - mobile network - advanced.

System apps

The Galaxy Note 9 (exynos) IS a battery phone.

I found myself customizing my new device as always from day one. I'm still running rootless with great satisfaction: one ui in superb in managing screen dimensions, good lock 2019 gives me the perk to optimize my multitasking, thanks to the community i run great gestures interface. I use no compromise: always on high performance mode, WQHD+, 4G+ always on, sync with 2 push emails 90% of the time it's on, lot of Bluetooth devices connected specially when I'm home (headphones, computer, amazon echo, bluetooth earbuds). I made a very light debloat with adhell that counts about 20 apps disabled (including all bixby services, which don't drain much battery tough).
I have about 180GB occupied out of 512, roughly 2.5/3 gb of ram always available and no heavy app optimization services enabled (just adaptive battery as far as I can tell). I normally DON'T close apps from multitasking. I make heavy usage of multiwindow specially from messaging apps trough notification bubbles. Always on display only when I'm home. You can see below my usage which may vary from day to day but consistently delivers incredible performances and very exciting battery results.
The device is an SM-N960F 8/512, so it's the exynos one.
In following posts I'm posting other days of battery I have record of in as much detail as I could get at the time.

Day 2

Day 3

Same Setup here.
My Exynos last 3 Days with 7Hrs Screen On, or 2 Days with 8-9Hrs Screen On.
Right ATM iam on :
76% Battery left.
Usage Time : 20Hrs and 46 Min.
Screen On : 2Hrs and 3 Min.
Mixed Usage between Wifi and 4G.
But just using Samsung Browser, Youtube and Whatsapp. No Games or whatever.
Maybe i can reach this Time 8 Hrs Screen On with 4 Days of usage. But i think, maximum is 3 Days with 7Hrs.
I dont fight for battery. Iam just a light user. And i did debloat and use routines (Android 9). No enerysaver. 1080P
Exynos here.

Exynos here too
4G/4G+ always active outdoors, WiFi at home
Screen brightness on manual, above 60% most of the time
1440p active, I refuse to downgrade the display to 1080p
Bluetooth on moderately, headphones & computer
Chrome as my browser
Social apps include Twitter & WhatsApp
"Disabled" a couple services through adb (pm uninstall) method ~ not including Bixby although I never use it.. ever
Always on display is set to "Tap To Show"
Consistently leave my house with 100% battery early hours 6-8am & return home with 30% (or higher) without fail
My charging method varies, I either fast charge it in the evening & got to bed with it on 100% and wake up with it on 97%+ or I wirelessly charge overnight and wake with it on 100% using the official Samsung convertible charger
Overall, I couldn't be happier with its battery life.

Sprov said:
I found myself customizing my new device as always from day one. I'm still running rootless with great satisfaction: one ui in superb in managing screen dimensions, good lock 2019 gives me the perk to optimize my multitasking, thanks to the community i run great gestures interface. I use no compromise: always on high performance mode, WQHD+, 4G+ always on, sync with 2 push emails 90% of the time it's on, lot of Bluetooth devices connected specially when I'm home (headphones, computer, amazon echo, bluetooth earbuds). I made a very light debloat with adhell that counts about 20 apps disabled (including all bixby services, which don't drain much battery tough).
I have about 180GB occupied out of 512, roughly 2.5/3 gb of ram always available and no heavy app optimization services enabled (just adaptive battery as far as I can tell). I normally DON'T close apps from multitasking. I make heavy usage of multiwindow specially from messaging apps trough notification bubbles. Always on display only when I'm home. You can see below my usage which may vary from day to day but consistently delivers incredible performances and very exciting battery results.
The device is an SM-N960F 8/512, so it's the exynos one.
In following posts I'm posting other days of battery I have record of in as much detail as I could get at the time.
Click to expand...
Click to collapse
May I ask do you doing any restoration, or data transfer from Smart Switch, Samsung Cloud or Google backup?
Or you just set it as a fresh new device?

I NEVER fast charge because I really have no need with this battery performance. @maple_mak I never wiped the device since i bought it, I made a dirty flash via ota for upgrading to Pie/OneUi, then installed as zip all the betas until I upgraded to stable and had 3 security patches from that moment. At the time I tried to fresh install as many things as possible but of course my samsung account and google account synced many data. If you have problems with battery I suggest you to choose wisely the apps you use and monitor their battery usage carefully. You can use gsam for that. The idea is that you need the device to do as less things as possible both in background and foreground: any automated activity drains battery, use features only if you strictly need them.
if you really can't understand what your battery problem is, I suggest a fresh install of the OS and most important after that a good set up of the system without installing "garbage". With garbage I also mean things that are useful to you but drain battery and execute tasks continously

No idea how you manage that. I've already dropped 12% in 2 hours ? this is my first Samsung since the S7 Edge, I probably won't get another after this. Not a fan of OneUI and the countless preinstalled junk apps that I never use lol

dazr87 said:
No idea how you manage that. I've already dropped 12% in 2 hours ? this is my first Samsung since the S7 Edge, I probably won't get another after this. Not a fan of OneUI and the countless preinstalled junk apps that I never use lol
Click to expand...
Click to collapse
You can essentially disable most pre-installed apps through adb

TheInfiniteAndroid said:
You can essentially disable most pre-installed apps through adb
Click to expand...
Click to collapse
Oh I know. Just can't be bothered having to do it lol rather they weren't there to begin with. I mainly bought it for the stylus, but I rarely use it. I think a smaller device in the future will suit better

Sprov said:
I found myself customizing my new device as always from day one. I'm still running rootless with great satisfaction: one ui in superb in managing screen dimensions, good lock 2019 gives me the perk to optimize my multitasking, thanks to the community i run great gestures interface. I use no compromise: always on high performance mode, WQHD+, 4G+ always on, sync with 2 push emails 90% of the time it's on, lot of Bluetooth devices connected specially when I'm home (headphones, computer, amazon echo, bluetooth earbuds). I made a very light debloat with adhell that counts about 20 apps disabled (including all bixby services, which don't drain much battery tough).
I have about 180GB occupied out of 512, roughly 2.5/3 gb of ram always available and no heavy app optimization services enabled (just adaptive battery as far as I can tell). I normally DON'T close apps from multitasking. I make heavy usage of multiwindow specially from messaging apps trough notification bubbles. Always on display only when I'm home. You can see below my usage which may vary from day to day but consistently delivers incredible performances and very exciting battery results.
The device is an SM-N960F 8/512, so it's the exynos one.
In following posts I'm posting other days of battery I have record of in as much detail as I could get at the time.
Click to expand...
Click to collapse
thanks for sharing this. U helped me made my decision on getting my Note 9 despite its been quite some time it has been launched.

gxthelord said:
thanks for sharing this. U helped me made my decision on getting my Note 9 despite its been quite some time it has been launched.
Click to expand...
Click to collapse
You're welcome! I hope you got a good deal - I'm under contract with samsung so I will switch for few bucks to the note 10 as it gets on the market, tough the idea of staying on this note 9 for a year more doesn't hurt me at all. Enjoy your new machine

Since last 2 Pie Updates..batterylife getting closer and closer to Oreo. A bit more optimazion and we are back on Oreo runtime.

Sprov said:
I found myself customizing my new device as always from day one. I'm still running rootless with great satisfaction: one ui in superb in managing screen dimensions, good lock 2019 gives me the perk to optimize my multitasking, thanks to the community i run great gestures interface. I use no compromise: always on high performance mode, WQHD+, 4G+ always on, sync with 2 push emails 90% of the time it's on, lot of Bluetooth devices connected specially when I'm home (headphones, computer, amazon echo, bluetooth earbuds). I made a very light debloat with adhell that counts about 20 apps disabled (including all bixby services, which don't drain much battery tough).
I have about 180GB occupied out of 512, roughly 2.5/3 gb of ram always available and no heavy app optimization services enabled (just adaptive battery as far as I can tell). I normally DON'T close apps from multitasking. I make heavy usage of multiwindow specially from messaging apps trough notification bubbles. Always on display only when I'm home. You can see below my usage which may vary from day to day but consistently delivers incredible performances and very exciting battery results.
The device is an SM-N960F 8/512, so it's the exynos one.
In following posts I'm posting other days of battery I have record of in as much detail as I could get at the time.
Click to expand...
Click to collapse
Hi, Would you mind sharing the 20 or so apps that you disabled? I'm not getting anywhere near your battery usage, and it would be great to improve it.
Thanks

silverwings2008 said:
Hi, Would you mind sharing the 20 or so apps that you disabled? I'm not getting anywhere near your battery usage, and it would be great to improve it.
Thanks
Click to expand...
Click to collapse
Yes! It's not all the story since the apps consumption is negligible if you don't really use them, for instance be careful to disable functions that use sensor like the ones in advanced features, try to use as less bluetooth perks with the s-pen, careful with location and try to stay below 80% brightness. Charge without fast charging and stay as much as you can between 15%-85% battery.
Here the apps/services i disabled:
"Bixby" voice wake-up
Apps edge
Bixby home
Bixby Service
Bixby Vision
Bixby Voice
Bixby Voice stub
BixbyVision Framework
Bookmark Provider
Calendar (I use the Google one)
Clipboard edge
CoolEUKor (it's a font... whatever)
Customization Service (be careful this can mess up some elements of the ui like multitasking. I use good lock apps and have no problems. You can always disable Customization Service from your samsung account manager even if you leave the app active on your device: https://www.samsung.com/us/account/customization-service/ )
Edge Screen
Facebook
Facebook App Installer
Facebook App Manager
Facebook Services
Finance (yahoo)
Galaxy essential widget
Gear VR Service
Google Play Movies & TV
Google Play Music
Google VR Services
Instagram
Kids Home Installer
Linkedin
OneDrive
People Edge
PowerPoint
Samsung Galaxy Friends
Samsung Internet Panel
Secure Wi-Fi
Sports (yahoo)
SystemUIBixby2
Tasks Edge
Wearable Manager Installer
Youtube (I use another app)
upday
of course you can enable the ones you want if you use them
I also changed my dns to 1.1.1.1, don't know the impact of it in terms of battery
Black theme to everything you are comfortable with
Setting to auto the always on display or using the feature that doesn't allow the phone to turn on in pocket use the ambient light sensor and proximity sensor - this drains some battery
Try to block as many notifications from apps as you can
My suggestions could never end XD try navigate every menu and value every option. Shortcuts don't really matter but the things related to sensors or automation consume battery. Every little thing you can adjust to your real need make the difference

Thanks for the tips @Sprov
Did you uninstall them via adb or just put them to sleep?
DNS, you just using an app for that?
Thanks

I use adhell both for disable apps and change my dns. It's a bit tricky to setup fhe first time, there's an official guide, with some passages peculiar for the note 9. You can search for the thread here on xda. You need also to get a knox license from samsung, all of this requires about 30 minutes the first time. Main use of adhell is ad blocking at system level but it has a lot of features. If you're only interested in dns and disabling apps you can do it with adb with the latter, for the DNS there's an option in the Connection settings on the phone: in More Connection Settings tap on Private DNS and type 1dot1dot1dot1.cloudflare-dns.com

Adhell doesn't work anymore because samsung changed criteria to get KNOX license. From now on I will use package disabler pro OR ADB to disable system apps and services, for ADS blocking I changed the DNS from the "more connection settings", you can use the one from ADguard or get a customizable one from nextdns.com

Man, I can't believe you're getting such awesome battery life from the SM-N960F. I have the same device (512GB variant) and I barely get 3hours SOT. I think I could get more SOT if I really pushed for it but I don't use my phone as often as some. I just don't see why it should be down to less than 15% when I go to bed (11-12pm) after taking it off charge in the morning at around 8am!
I did a google drive app restore when I set up the device so maybe this is causing the battery drain? or is there a chance I have a faulty device? I am still within my 30 day return period with the seller so should I return it?

Forgot to attach screenshot.

General Battery Life

I was a bit concerned about Battery after setting up my new S21 Ultra (coming from a POCO F2 Pro) which lasted me two days +).
It's early days for me but I've put most of my APPS into deep sleep within Battery settings, and under developer options, I've turned off background processes using 'background processes limit' and selected the option 'don't keep activities'.
Seeing quite a good improvement so far!

Kilberz said:
I was a bit concerned about Battery after setting up my new S21 Ultra (coming from a POCO F2 Pro) which lasted me two days +).
It's early days for me but I've put most of my APPS into deep sleep within Battery settings, and under developer options, I've turned off background processes using 'background processes limit' and selected the option 'don't keep activities'.
Seeing quite a good improvement so far!
Click to expand...
Click to collapse
Does any of that mess with app notifications ?

Quazza said:
Does any of that mess with app notifications?
Click to expand...
Click to collapse
I thought it might, but it does not seem to. The ones that I wanted notifications from I didn't put into a deep sleep, just normal sleep via the Battery Settings. Still getting notifications. I just put all the junk apps I don't care for into deep sleep.
Developer Options changes I made do not seem to cancel out any further notifications but still testing.

Sure the Developer Options last?

Kilberz said:
I was a bit concerned about Battery after setting up my new S21 Ultra (coming from a POCO F2 Pro) which lasted me two days +).
It's early days for me but I've put most of my APPS into deep sleep within Battery settings, and under developer options, I've turned off background processes using 'background processes limit' and selected the option 'don't keep activities'.
Seeing quite a good improvement so far!
Click to expand...
Click to collapse
Don't know about how well that will work.
On my 10+ Pie variant I learned to disable all power management because it cause erratic behaviors and ate battery.
I address the power hogs on a case by case basis... it was time consuming.
Browsing with Brave or watching vids now I use about 12-16% battery an hour. While I do have to manually sync gmail I don't have any unexpected behaviors and all apps run well.
Perhaps they worked all the bugs out but more than likely they added as many as they removed.
Give Google enough time and they will screw up anything.

Not the real McCoy yet, but I've got a pretty good 6+ days battery endurance, light use 60 Hz and AOD off. There are some tiny charging spikes for a minute or two each time I had to move some files to and from PC.

Moved most all location settings to "only when app is in use" or off all together.
Seemed to make a big difference.
Also Always On to "tap for".
Used 60hrtz from the beginning. Just not enough difference to justify the 120.
All together battery life is immeasurably better.

My battery life is amazing

Goku1992 said:
My battery life is amazing
Click to expand...
Click to collapse
No microG?

could you all tell if you have the snapdragon or exynos version ?

My ultra on TMobile has been good. I make it through a full day with aod always on and Bluetooth synced to my watch. It's a much better battery experience than my pixel 4 xl

My S21 Ultra Exynos lasts about 1 day and a half with aod always on and synced to my watch.

mankvl said:
No microG?
Click to expand...
Click to collapse
Im usinf micro g but it doenst drain my battery

tiliarou said:
could you all tell if you have the snapdragon or exynos version ?
Click to expand...
Click to collapse
Mine is the exynos

General (SOT) Leaderboard - post your longest SOT's here 👍🏻

Looking at the OnePlus 10 pro on paper, it has everything you would possibly need to achieve incredible screen on times.
The idea behind this besides some healthy competition is to whittle out the bugs and battery draining apps and habits.... in the hope that we all benefit from the knowledge learned and gathered.
LEADERBOARD
--------------------------
dladz - 11 hours 21 minutes: EU 11_A.12
2. Macke93 - 8 hours 40 minutes: EU 11_A.12
3.
4.
5.
6.
7.
8.
9.
10.
Rules
---------
If you'd like to register an SOT, you will need to provide a screen shot of your battery stats using the stock battery app, clearly showing the up time and screen usage time and app list.
Your OS, kernel if different from stock (no screen shot required)
NOTE*** Without this proof, your name and score won't be added.
That's it
Good luck

Some tips for better battery life.
Change 5G to 4G
Remove Facebook use web based
Remove Facebook messenger use web based
Remove Twitter use web based
Remove any ad based apps pay for the pro version
Turn off gestures like lift to wake
Change from QHD to FHD (No difference)
Allow auto brightness
Turn off WiFi overnight
Turn all updates to manual not auto (play store)
Remove any so you don't use
Change back up to once a month (WhatsApp)
Turn off location history (Google)
Use titanium to remove any system apps you don't need
Don't allow anonymous usage statistics for any app ever.
Don't allow tracking cookies on any website
Use adaway (root needed)
Don't open web pages in Google app (I use Samsung browser)
Don't use xposed.
If you game you will not get high SOT scores, period.
Don't bother with battery saving apps or monitoring apps.
Streamline your apps, if you don't use it, remove it.
Don't allow WiFi scanning (as in letting other apps use it when it's not on)
Never allow personalised ads.
Never allow notifications from websites
Always decline cookies unless your absolutely have to allow some tracking (common sense prevails here)
Optimise as many apps as possible unless it affects performance.
Don't allow apps to remain open in the notification area.
Change your launcher, my preferred launcher is lawn chair and this did actually burn up some battery when compared to the OnePlus launcher.
Don't use live widgets (yes they look cool, but they annihilate your battery)
Live wallpaper, again very cool, but battery burners.
Again! Don't charge overnight, make a note of your percentage then see what it is in the morning, you shouldn't be losing more than 5% really, if you've done well then it'll be reflected here, the good SOT results will follow.
Turn off live read outs of network speed, RAM usage in the status bar.
Turn off NFC unless in use.
Leave location on in quick settings.
Don't overcharge your phone, IE: overnight
Don't allow your phone to fully deplete the battery.
Whatever anyone says, this does 100% damage batteries, there is no argument here and I won't entertain anyone who says otherwise, Ive seen through real life tests what this results in, bloated, inefficient, possibly dangerous lithium batteries.
Keep your phone out the sun.
Keep it out of extreme cold.
Keep your device clean and dust free.
Snapchat, Viber, house party, apps like that tend to use more battery as they don't have great dormancy periods, use them if required and get rid.
Apps like speed test by Ookla tend to have location tracking, similarly they tend to turn themselves on and off when they feel like it, my advice, install test and uninstall.
Allow a couple of battery cycles between tweaking sets, to give you an idea of how much of a difference you've made.
Use BBS to see what is being used, once you've removed problems, remove BBS.
I've just written this from the top of my head so I've probably missed some things, the general idea is to keep your device clean and fresh, remove files / apps / mods / widgets / features you don't need any more.
Keep an eye on apps that misbehave or aren't wanted, index your folders so they aren't a mess.
The more good things you do means the more potentially bad apps you can have on your phone, eg if you really need Facebook, you could keep it so long as you clean up other areas of your phone.
Hope this helps.

9 hours 45 11_A.12 NE2213

NE2213_11_A.12
EU model, Oxygen OS 12.1
Only 4G, no WiFi!
7 hours 1 minute.
(Screenshot deleted while re-locking bootloader).

Macke93 said:
NE2213_11_A.12
EU model, Oxygen OS 12.1
Only 4G, no WiFi!
7 hours 1 minute.
(Screenshot deleted while re-locking bootloader).
Click to expand...
Click to collapse
I'll put it up as there's none up and a believable time.

Changed over to lawnchair 2 and holy moly the difference has been amazing.
0% lost overnight 8 hours
Currently on 4 hours with normal usage, it's heading for a ridiculous screen on time.

6 hours and 2 minutes with 41% used.
Crazy

dladz said:
Changed over to lawnchair 2 and holy moly the difference has been amazing.
0% lost overnight 8 hours
Currently on 4 hours with normal usage, it's heading for a ridiculous screen on time.
Click to expand...
Click to collapse
Any difference between lawnchair 2 and other lawnchair versions then?

kouzelnik3 said:
Any difference between lawnchair 2 and other lawnchair versions then?
Click to expand...
Click to collapse
Not that I've noticed.. its just the one from the play store. I think it's 2. Could be wrong, certainly more efficient than anything else I've tried.
I'm just happy I've managed to get my phone to be dropping 0% overnight, that's how it should be.
My 8 pro used to take about 4-8% overnight

dladz said:
Changed over to lawnchair 2 and holy moly the difference has been amazing.
0% lost overnight 8 hours
Currently on 4 hours with normal usage, it's heading for a ridiculous screen on time.
Click to expand...
Click to collapse
Gonna try out Lawnchair launcher and see if it helps my phone too
Most recently I now have 8 hours SOT with 12% battery left. Feels good gonna try to empty the battery to 1-2% and report back the SOT here once again.

dladz said:
Not that I've noticed.. its just the one from the play store. I think it's 2. Could be wrong, certainly more efficient than anything else I've tried.
I'm just happy I've managed to get my phone to be dropping 0% overnight, that's how it should be.
My 8 pro used to take about 4-8% overnight
Click to expand...
Click to collapse
I got 2 % drain overnight 8 hours, which is ok for me with everything I got installed (airplane mode).
I wonder whether I will try lawnchair too, but I am using Nova for years

kouzelnik3 said:
I got 2 % drain overnight 8 hours, which is ok for me with everything I got installed (airplane mode).
I wonder whether I will try lawnchair too, but I am using Nova for years
Click to expand...
Click to collapse
Comparing the two I prefer lawnchair, nova is a little too flicky for my liking, I prefer smooth transitions and fluidity rather than overly quick and flicky, you'll know what I mean when you install it 2% is still 2-6% better than the 8 pro..

Macke93 said:
Gonna try out Lawnchair launcher and see if it helps my phone too
Most recently I now have 8 hours SOT with 12% battery left. Feels good gonna try to empty the battery to 1-2% and report back the SOT here once again.
Click to expand...
Click to collapse
Tbh that's still great time you're making.

It's nuts I'm on 7+ hours with 52% left.
Haven't been doing anything special, just using my phone.

dladz said:
Not that I've noticed.. its just the one from the play store. I think it's 2. Could be wrong, certainly more efficient than anything else I've tried.
I'm just happy I've managed to get my phone to be dropping 0% overnight, that's how it should be.
My 8 pro used to take about 4-8% overnight
Click to expand...
Click to collapse
Try disabling Google play Services when not needed. It has a bunch of power sucking dependencies. I disable more Google system apps than that on my N10+, but disabling play services may be enough to tone it down especially at night.
Use manual brightness control and keep below 50%.
Social media apps should never be installed for a variety of reasons including excessive battery consumption... just saying.

blackhawk said:
Try disabling Google play Services when not needed. It has a bunch of power sucking dependencies. I disable more Google system apps than that on my N10+, but disabling play services may be enough to tone it down especially at night.
Use manual brightness control and keep below 50%.
Social media apps should never be installed for a variety of reasons including excessive battery consumption... just saying.
Click to expand...
Click to collapse
I agree buddy, but I'm not sure I need to disable anything else.... At this rate I'll have 14 hours SOT..
Have a look at the second post for my idea of keeping the battery down
But then again, could always have more...
So when you disable Google play services. What method are you using?

Just literally disable it?

dladz said:
I agree buddy, but I'm not sure I need to disable anything else.... At this rate I'll have 14 hours SOT..
Have a look at the second post for my idea of keeping the battery down
But then again, could always have more...
So when you disable Google play services. What method are you using? It was listed at one time on Package Disabler Pro but was inexplicably removed.
Click to expand...
Click to collapse
Agreed, it sounds optimized to me! Hell yeah.
Most Android phones need to be optimized to get best performance... just the way it is.
I go to settings>apps, search for play, then disable/enable it there. I use it 2-3 [email protected] day, sometimes less.
If the disable option is grayed out, go to security and disable Find my Device as a system Administrator.
So many big sister Gookill system apps I hate...

blackhawk said:
Agreed, it sounds optimized to me! Hell yeah.
Most Android phones need to be optimized to get best performance... just the way it is.
I go to settings>apps, search for play, then disable/enable it there. I use it 2-3 [email protected] day, sometimes less.
If the disable option is grayed out, go to security and disable Find my Device as a system Administrator.
So many big sister Gookill system apps I hate...
Click to expand...
Click to collapse
Just done it but getting a lot of dings every time I unlock, little annoying tbh. I'm just wondering is the call to open services actually using battery ? I dunno. Perhaps if there wasn't a load of notifications..
I'll leave it for this cycle and maybe see how it compares next time, I'm not out over the weekend so have a good location to get fault results.

dladz said:
Just done it but getting a lot of dings every time I unlock, little annoying tbh. I'm just wondering is the call to open services actually using battery ? I dunno. Perhaps if there wasn't a load of notifications..
I'll leave it for this cycle and maybe see how it compares next time, I'm not out over the weekend so have a good location to get fault results.
Click to expand...
Click to collapse
On my phone it can suck up to 1+%@hr with screen on... so it adds up. No reasoning with it.
You can kill those very annoying notifications; Gmaps, Gmail, do it; disable notifications. There may be more depending on your configuration.
Leave the warning running and when you disable notifications in the right app... it will stop. Instant gratification