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Question Always on display doesn't turn off when the phone is on it is face or the sensors are covered

So I had many Samsung phones before the S21 U and I never turn off the Always on display. When I put the phone (not the S21 U) on its face or cover the sensors, the always on display turns off, but this is not the case with the S21 U. AOD never turns off even when the phone is on its face or the sensors are covered. Is this a bug? can I do anything about it ? I want it to be like the old way.

Its not a bug, this has been the case since the S10.

Well, it's not a bug, but it's also not an unavoidable feature like the other dude said.
Go to settings, scroll down to lockscreen, tap "always on display", then you can choose always on, on for 10 seconds after tap, or show as scheduled.
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It would be nice if Samsung let you choose more than one AOD option. It would be great if you could both schedule AOD on hours plus enable tap to display for 10 seconds.

DownTheCross said:
Well, it's not a bug, but it's also not an unavoidable feature like the other dude said.
Go to settings, scroll down to lockscreen, tap "always on display", then you can choose always on, on for 10 seconds after tap, or show as scheduled.
Click to expand...
Click to collapse
Actually it is indeed an unavoidable "feature" that was introduced since the S10 series. He's talking about the fact AOD used to automatically switch off when the phone is in a pocket or face-down. That is, despite the setting of "Show always" being toggled, the AOD would still switch off when in a pocket or face-down. The reason for this being that if it's in a pocket or face-down, it's pointless having the AOD on. The advantage of course is that battery life is saved.
An obvious example scenario is when one is out and about for say a 14-hour period with the phone in their pocket or face-down about 50% of the time. This would mean the AOD is automatically disabled for 7-hours (while in the pocket or face-down), saving about 7% of battery life. To clarify, the AOD automatically turns on for the other 7-hours when the phone senses that it's outside of the pocket or face-up. I've come from the S9+, and I can certainly confirm that this feature saves battery.
For some reason, since the S10 series, Samsung have disabled this feature for AOD. I can't find any information as to why, but it must be related to the proximity sensor and how it interacts with AOD. Otherwise another reason is that Samsung felt no one liked the feature (can't really imagine why) and disabled it without giving any option to enable it.

Ah I missed the part where he was specifically concerned about the proximity/light sensors shutting the AOD off, just thought his problem was it just never turning off.

Please reconsider - are you sure the feature actually saves battery (face-down or covering sensors turns off AOD)?
Remember we now have a very good display with adaptive refresh. Maybe Samsung designed the screen to be good enough in AOD to actually use less power than running the proximity sensor (to turn on and off AOD) all the time.
So it's a false comparison above - it's not "free" energy savings when you had that feature. The phone had to use power to activate the proximity sensor to know whether to turn off AOD, and it took power to turn on/off throughout the day. But maybe now, why should Samsung bother with that, if they figured out it's less power to just have AOD all the time and not power the prox sensor?
Bottom line, why waste power on running the prox sensor when you can instead use that power to show useful information?
This is speculation, I don't know the actual power loss caused by the missing feature. I just want to correct the assumption that it's free power, when it's not.

KingFatty said:
Please reconsider - are you sure the feature actually saves battery (face-down or covering sensors turns off AOD)?
Remember we now have a very good display with adaptive refresh. Maybe Samsung designed the screen to be good enough in AOD to actually use less power than running the proximity sensor (to turn on and off AOD) all the time.
So it's a false comparison above - it's not "free" energy savings when you had that feature. The phone had to use power to activate the proximity sensor to know whether to turn off AOD, and it took power to turn on/off throughout the day. But maybe now, why should Samsung bother with that, if they figured out it's less power to just have AOD all the time and not power the prox sensor?
Bottom line, why waste power on running the prox sensor when you can instead use that power to show useful information?
This is speculation, I don't know the actual power loss caused by the missing feature. I just want to correct the assumption that it's free power, when it's not.
Click to expand...
Click to collapse
I suppose that could be viewed as a good point, although it's actually still a disadvantage or "downgrade" compared to having the original "power saving" feature. This is demonstrably proven (at least for me) given having AOD enabled loses about 1-1.3% battery per hour, which is similar to previous Samsung phones. With AOD disabled, the battery loss is closer to 0.3-0.7% per hour.
To clarify, your argument is that having the proximity sensor activated while AOD is enabled may actually use at least as much power as always showing the AOD when the phone is in standby. Again, I would say this is a "downgrade" compared to previous models, as the proximity sensor should never use this much power (and we know the amount of power the AOD uses is similar to previous models, as demonstrated above) - if it does, then it's arguably a "design flaw" by Samsung. That is, they would have made the proximity sensor a "battery hog" in a relative sense.

Odd, my AOD set to "touch to show for 10s" doesn't even use 1% in 20hrs with 8-10hrs SOT. Snapdragon US model from Google Fi.
You'd think samsung would have more consistency in these, especially by now.

AOD uses very little battery*. Cell standby and device idle together use more.
*if you use a simple clock and don't have all kinds of needless garbage.

DownTheCross said:
Odd, my AOD set to "touch to show for 10s" doesn't even use 1% in 20hrs with 8-10hrs SOT. Snapdragon US model from Google Fi.
You'd think samsung would have more consistency in these, especially by now.
Click to expand...
Click to collapse
I should probably clarify a few things here.
-With AOD set to "touch to show for 10s", the amount of battery AOD uses should be entirely dependent on how often you enable it by tapping to toggle it on. If you tapped it 1000 times in 20 hours, verses 10 times, it would obviously be quite a different amount of battery use.
If the AOD is set to "show always", it could be viewed as essentially the equivalent of continuously tapping to show every 10 seconds for the 20 hours you quoted. It's therefore clear that it would use more than 1% in 20 hours!
-My description of the amount of battery loss from AOD being set to "show always" verses completely disabled was actually regarding total "standby drain" per hour. That is, with AOD set to "show always", the total standby drain per hour (eg. overnight) appears to be around 1%. With the AOD completely disabled, it's closer to 0.5% total standby drain per hour.
The above numbers have been fairly consistent across all Samsung smartphones I've come across, although I suspect the S7 was one of the best (since 2016) in terms of least overall "standby drain" per hour even with AOD set to "show always" (if I remember correctly, it was closer to 0.5% per hour drain with AOD always toggled on, and 0.1-0.2% per hour drain with AOD disabled).
Note that these figures are without any "de-bloating" or "rooting" of the phone.

ssj100 said:
I should probably clarify a few things here.
-With AOD set to "touch to show for 10s", the amount of battery AOD uses should be entirely dependent on how often you enable it by tapping to toggle it on. If you tapped it 1000 times in 20 hours, verses 10 times, it would obviously be quite a different amount of battery use.
If the AOD is set to "show always", it could be viewed as essentially the equivalent of continuously tapping to show every 10 seconds for the 20 hours you quoted. It's therefore clear that it would use more than 1% in 20 hours!
-My description of the amount of battery loss from AOD being set to "show always" verses completely disabled was actually regarding total "standby drain" per hour. That is, with AOD set to "show always", the total standby drain per hour (eg. overnight) appears to be around 1%. With the AOD completely disabled, it's closer to 0.5% total standby drain per hour.
The above numbers have been fairly consistent across all Samsung smartphones I've come across, although I suspect the S7 was one of the best (since 2016) in terms of least overall "standby drain" per hour even with AOD set to "show always" (if I remember correctly, it was closer to 0.5% per hour drain with AOD always toggled on, and 0.1-0.2% per hour drain with AOD disabled).
Note that these figures are without any "de-bloating" or "rooting" of the phone.
Click to expand...
Click to collapse
My previous phone, a Pixel 2XL, I had set to AOD always on. The phone would turn the display off when face down and even when in a holster on my hip. At night it would stay on all night as a night light/clock right next to my bed and my charger would come on via timer an hour before I would get up to recharge.
It’s very disappointing that the S21 Ultra, brainlessly just keeps AOD lit nonstop despite the fact that it’s a deluxe phone with enough sensors to be programmed just like the Pixel 2XL, which did much better with AOD and its effect on battery life. I’m hoping Samsung fixes this in an update real soon.

neilth said:
My previous phone, a Pixel 2XL, I had set to AOD always on. The phone would turn the display off when face down and even when in a holster on my hip. At night it would stay on all night as a night light/clock right next to my bed and my charger would come on via timer an hour before I would get up to recharge.
It’s very disappointing that the S21 Ultra, brainlessly just keeps AOD lit nonstop despite the fact that it’s a deluxe phone with enough sensors to be programmed just like the Pixel 2XL, which did much better with AOD and its effect on battery life. I’m hoping Samsung fixes this in an update real soon.
Click to expand...
Click to collapse
The power used to light the display is very small vs the background processes already running.
Pixels have no SD card* slot because Google wants you to be cloud dependent.
You aren't viewed as a customer by Google... you're the product. Getting off their factory devices is a start in the right direction.
*No SD card slot is completely unexceptable.
The SD card is the data drive or should be.

blackhawk said:
The power used to light the display is very small vs the background processes already running.
Pixels have no SD card* slot because Google wants you to be cloud dependent.
You aren't viewed as a customer by Google... you're the product. Getting off their factory devices is a start in the right direction.
*No SD card slot is completely unexceptable.
The SD card is the data drive or should be.
Click to expand...
Click to collapse
When I first got my S21 Ultra I set AOD to always on and battery life suffered greatly compared to my previous 2XL. The S21 Ultra doesn’t have an SD card slot either, which has nothing to do with my comments about AOD performance between the 2XL and the S21 Ultra. You are correct, it’s great getting away from Google, but the only real alternative is an iPhone or custom ROM with Micro-G on an Android phone, which again has nothing to do with AOD performance.

neilth said:
When I first got my S21 Ultra I set AOD to always on and battery life suffered greatly compared to my previous 2XL. The S21 Ultra doesn’t have an SD card slot either, which has nothing to do with my comments about AOD performance between the 2XL and the S21 Ultra. You are correct, it’s great getting away from Google, but the only real alternative is an iPhone or custom ROM with Micro-G on an Android phone, which again has nothing to do with AOD performance.
Click to expand...
Click to collapse
It's irritating Samsung chooses to do that on some of their phones. Worse it varies from year to year with the same model sometimes too.
AOD in it's always on mode at night if you're not using the phone should use roughly .75-1% an hour. Usage isn't always reported correctly to the apk responsible. Lovely isn't it?
Try clearing the system cache.
If you did any major firmware updates a factory reset is in order otherwise it's not going to get to the root cause most likely.
Samsung's are notorious for this kind of behavior but it can be sorted out. Cloud apps including Google Backup Transport are prime suspects.
Disable Google Firebase and all carrier, Samsung, Google feedback for starters.
Karma Firewall is very useful; a VNP firewall that uses almost no battery, no ads... true freeware.
It's logging feature may not work with Q and above. An adb edit to correct that may be possible, not sure.
A package blocker is also very useful and a powerful tool for unrooted phones. I've used this one for years with zero issues.
Home - Package Disabler
The only NON-root solution that let’s you disable any unwanted packages that come pre-installed / installed with your phone / tablet.
www.packagedisabler.com

Once I disabled full time AOD my S21U, battery life is no longer an issue. As I stated previously, I would like to see a Samsung software update making their AOD perform similar to the way it does on a Pixel 2XL.

neilth said:
Once I disabled full time AOD my S21U, battery life is no longer an issue. As I stated previously, I would like to see a Samsung software update making their AOD perform similar to the way it does on a Pixel 2XL.
Click to expand...
Click to collapse
It's not AOD.
Samsung's can be... complicated.
This is how much AOD uses on my 10+, it's an accurate estimate. This is after I spent a lot of time to optimize it ie get the bugs out.

A few additional points/queries about the S21 Ultra:
-I've calculated the total extra battery % loss per hour with AOD always enabled to be around 0.5-0.6%.
"blackhawk" post above suggests that for the 10+ phone, the loss is more around 0.3-0.4%. This appears to correlate well with what I've read regarding the AOD on the S21 Ultra running at 120Hz (which would increase battery use compared to if it ran at 60Hz, which the 10+ phone presumably runs at). It's a pity this is the case, as I don't see any advantage for AOD to run at 120Hz. Perhaps in a future update, Samsung could reduce this to 60Hz on the S21 Ultra.
-I note a couple of users in this thread "hoping" that a future Samsung update will allow the AOD to automatically switch off when face-down or in a pocket/bag. Unfortunately, I don't see this happening, as this feature appears to have been "lost" since 2019. That is, this feature was last present on the S9/Note 9 series of phones back in 2018. All Samsung (flagship) phones from 2019 to present have lost this feature.
-Does anyone know of a way to change the AOD font size (without installing extra software)? Reducing the font size would surely be another way/option to save battery life while having the AOD always enabled.

blackhawk said:
It's not AOD.
Samsung's can be... complicated.
This is how much AOD uses on my 10+, it's an accurate estimate. This is after I spent a lot of time to optimize it ie get the bugs out.
Click to expand...
Click to collapse
Wow, you got your AOD power consumption down to 3%! The first week I had my S21U, AOD was using 25 to 30% daily I believe. Can you please tell me what you tweaked to get your phone’s AOD power consumption so low? That’s better than on my Pixel 2xl.

neilth said:
Wow, you got your AOD power consumption down to 3%! The first week I had my S21U, AOD was using 25 to 30% daily I believe. Can you please tell me what you tweaked to get your phone’s AOD power consumption so low? That’s better than on my Pixel 2xl.
Click to expand...
Click to collapse
I'm not sure what is causing that. Something is running in the background; the phone's not going into deep sleep. Maybe a messaging or cloud app. Usage apps can misreport which apk is the cause or it could be a dependency.
Try it in safe mode to rule out 3rd party apps.
The Google system apps are prime offenders as can be the Samsung apps.
Try clearing the memory cache then see which apps pop up first. My version of Device Manager can do that; I've used it to find rogue apks like that.

Question Asus zenfone 8 , I purchased a new Asus zenfone 8 dual SIM 2weeks ago . But the battery life is just shocking. Had anyone have any thoughts on this ?

Hi all
Just wondering if anyone who has an Asus zenfone 8 are having trouble with the battery life ?
Thank you

Kmoussa said:
Just wondering if anyone who has an Asus zenfone 8 are having trouble with the battery life ?
Click to expand...
Click to collapse
I'm not sure about everyone. I heard from some people on stock about 6-7 hours SoT, but i don't know how. 5-6 sound much real)

dron39 said:
I'm not sure about everyone. I heard from some people on stock about 6-7 hours SoT, but i don't know how. 5-6 sound much real)
Click to expand...
Click to collapse
5-6 sounds about right . That's very disappointing considering it's a 4000amh battery . I would have expected slot more hours.

I find the battery life ok but in need of some tweaks (hopefully) on AOD, 2t2w, wakelocks, cpu governors and so on.
Hopefuly they'll put the effort into it.
In my usage, i shut off the 2nd sim when i don't need it, aod, 2t2w/fingerprint is on (w/out the aod icon), reception set on 3g w/ occasional 4g, 120hz (not that much of an impact) but i restrict some of the apps that pool lots of resources and (with a few exceptions) i have most of the battery optimizations on (adaptive bat, managed auto-start aps, bg app mgmt, w/ bat draining apps off.
On an average day outdoors, spotify streams on very high most of the time to BT (aptx hd), some occasional pics/videos, plenty of instagram, some browsing and some youtube. I usually go to sleep w/ 20-30% left. Charging is done w/ shed charging and ultra steady charging during sched charging.
It is my opinion that the screen on very high brightness just eats through battery (I mostly avoid extended usage in direct sunlight).
While excluding the 120hz refresh rate, second battery hogs after the screen would be the 2t2w, aod and the general standby opptimizations.
I hope they'll address some of these but otherwise I pretty much love the tiny guy - there had to be a comproomise for the specs and pricepoint.

Kmoussa said:
5-6 sounds about right . That's very disappointing considering it's a 4000amh battery . I would have expected slot more hours.
Click to expand...
Click to collapse
I think 5-6hrs with moderate usage is alright
First of all it has an 888 and flagship socs in general are known to have an higher battery consumption plus the higher refresh rate (and depends if you use 5g all the time or if you get a better reception in your area and other usage)
You can optimise some stuff in Asus autostart manager,disable aod (which consumes quite a bit of battery) and some other stuff and get slightly better battery life though
But Asus might optimise battery further with otas though

I got a root. After that, I changed the minimum frequencies of the processor (they are high in the drain, no matter what mode we choose). Chosen by a conservative governor. Removed all Google software. I set the refresh rate to 60 Hz. Disabled AOD. Sim one is 3g, the other is 2g. But I still get the same 5-6 hours. I have a suspicion that the reason for the fast discharge is the radio module.

a7lanov said:
I have a suspicion that the reason for the fast discharge is the radio module.
Click to expand...
Click to collapse
By the way, what SAR level ZF8 has?
I have good signal 4G and 3G where my previous Note20 Ultra (865+) was often switching to 2G.

dron39 said:
By the way, what SAR level ZF8 has?
I have good signal 4G and 3G where my previous Note20 Ultra (865+) was often switching to 2G.
Click to expand...
Click to collapse
SAR value (head): 1,412 W/kg, SAR value (body): 1,582 W/kg (source)
I've attached the official SAR test report of the Zenfone 8, if anybody's interested.

Had mine a full day and the battery is appalling! Come from a p30 with bigger screen, smaller battery and less efficient soc and the ZenFone is draining about 40% faster. Came on here to ask the exact same question!!

Its strange, ZF8 has 4000 mah battery and battery is pretty poor. Seems asus lags behind in optimizing their software

Has there been any software update from Asus that improves the battery life? I've been reading that the battery is a big issue. I'm split between getting this phone or the Pixel 5. I'm currently using a s21U and have been using big screen phones the last few users but I'm ready to switch to a more compact phone, it's rare to find one nowadays. The market has more demand for big screen phones nowadays unfortunately and the current compact Android phone choices are very limited...

So, having used a few days now it has suddenly got much better. I'm off charge since 7am and am writing at 4pm and I'm at 80%. Not massive usage - 1 hour screen time with a little Pokémon go in between which seems pretty decent to me. I've disabled 5g, have screen on auto refresh rate and running latest firmware. I do wonder if low signal strength causes disproportionate power drain, the office saw me down to 30% by mid day work virtually no usage at all.

So I have Zenfone 8 since June and battery life is OK, I can get through a day. Saying that I am a pretty heavy user as I had to charge my pixel 3 twice in a day, while now when my father is using it, battery lasts for 2 days with 4-5h screen on time.
Here is my accubattery estimates. They have gone from 6h 10min to 6h 48m in the last week, so maybe the adaptive battery is affecting this.
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My personal record, after two weeks of using this
phone! Honestly, I'm not happy. I was expecting more, when it comes to battery life.

My personal record after 1 Week!

sen_ci said:
My personal record after 1 Week!
Click to expand...
Click to collapse
How? What is your settings?

My basic settings:
5G disabled
Systemmode dynamic
Refresh rate set at 90Hz
Adaptive Battery enabled
Background management enabled
Adaptive brightness enabled
AoD disabled
Double tap to wake disabled
Face unlock disabled
Fingerprint enabled
Auto sync disabled

sen_ci said:
My basic settings:
Click to expand...
Click to collapse
Everything the same except AOD (only for night 8 hours) and auto-sync. Maybe auto-sync is the reason? It's setting in Accounts or some different auto-sync?

sen_ci said:
My basic settings:
5G disabled
Systemmode dynamic
Refresh rate set at 90Hz
Adaptive Battery enabled
Background management enabled
Adaptive brightness enabled
AoD disabled
Double tap to wake disabled
Face unlock disabled
Fingerprint enabled
Auto sync disabled
Click to expand...
Click to collapse
Thanks for your reply! Really appreciate it! Do you use two sim cards?

@dron39 just in accounts
@Harthouse no i use only one sim card

Question SOT is lesss really less

I've seen a maximum of 5 hours of SOT since I got the phone. My sot time is very short when I see other people's sot times. I always use the phone with the following features; +4G +always bluetooth +always location + no wifi +always sync +dolby atmos +dark mode +when i got notifications aod. Although I turned off the settings I used, I still could not do this for more than 5 hours.
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Show us a screenshot of battery usage when you are at 10% - not at 80% - then we can see where all your battery fuel is going.

Sure its from 2 days ago

Battery is draining extremely fast on Android 12 (BULK) as well...
Is there a way to know if our phones haven't been manufactured by Samsung?
- There is Korea but also Vietnam etc... this might have an impact somehow?

What are you doing on whatsapp....that's a huge drain....

DS1000RR said:
What are you doing on whatsapp....that's a huge drain....
Click to expand...
Click to collapse
whatsapp is always a huge drain if you use to send and receive messages. My solution to this was enable multi-device login. I, now, use Whatsapp mainly on my computer when I'm at work and then revert to the phone when I'm off. The led to a huge difference. What used 25%+ for whatsapp..now stands at 4-5% over the day.

RedWave31 said:
Battery is draining extremely fast on Android 12 (BULK) as well...
Is there a way to know if our phones haven't been manufactured by Samsung?
- There is Korea but also Vietnam etc... this might have an impact somehow?
Click to expand...
Click to collapse
Actually since when I bought phone (almost 1 year) battery same. Even I sent to warranty for change battery. But still same sot

DS1000RR said:
What are you doing on whatsapp....that's a huge drain....
Click to expand...
Click to collapse
Morning 7 to 5pm I m using WhatsApp for work. I m using 2 WhatsApp. Work WhatsApp isn't stop every minute always receiving several message. I can't stop WhatsApp because of work. I think that's why WhatsApp percent is so much

amirage said:
whatsapp is always a huge drain if you use to send and receive messages. My solution to this was enable multi-device login. I, now, use Whatsapp mainly on my computer when I'm at work and then revert to the phone when I'm off. The led to a huge difference. What used 25%+ for whatsapp..now stands at 4-5% over the day.
Click to expand...
Click to collapse
reqirement of my job I m working at construction site so I can't use on my computer. I don't have other solution to multi wp

I use WhatsApp endlessly with friends and family every day and I get nothing remotely like that drain....

DS1000RR said:
I use WhatsApp endlessly with friends and family every day and I get nothing remotely like that drain....
Click to expand...
Click to collapse
Also I tried to several time uninstall and reinstall but still same nothing difference

Tahabey58 said:
I've seen a maximum of 5 hours of SOT since I got the phone. My sot time is very short when I see other people's sot times. I always use the phone with the following features; +4G +always bluetooth +always location + no wifi +always sync +dolby atmos +dark mode +when i got notifications aod. Although I turned off the settings I used, I still could not do this for more than 5 hours.
Click to expand...
Click to collapse
Does your battery run out by the end of your typical workday? Do you have to charge it during the day everyday, or can you get to the charger comfortably when going to sleep at night? SOT by itself isn't a very good metric when seen in isolation.

enigmaamit said:
Does your battery run out by the end of your typical workday? Do you have to charge it during the day everyday, or can you get to the charger comfortably when going to sleep at night? SOT by itself isn't a very good metric when seen in isolation.
Click to expand...
Click to collapse
In a day average I have 4 hours screen on time and I m using in a work phone around 4 - 5 hours. That's mean every noon I m charging phone if not it finish before leave work.

DS1000RR said:
I use WhatsApp endlessly with friends and family every day and I get nothing remotely like that drain....
Click to expand...
Click to collapse
Are you mainly on Wi-Fi or mobile network? OP is on a building site so most likely on mobile network most of the day

dezborders said:
Are you mainly on Wi-Fi or mobile network? OP is on a building site so most likely on mobile network most of the day
Click to expand...
Click to collapse
I always using mobile network 4G signal is %75

Tahabey58 said:
In a day average I have 4 hours screen on time and I m using in a work phone around 4 - 5 hours. That's mean every noon I m charging phone if not it finish before leave work.
Click to expand...
Click to collapse
So your battery level goes to 20% or below by every noon? Sheesh, that is indeed potato battery life...
But your screenshot suggests a pretty good standby time, nearly 11 hours usage and 72% remaining...
Maybe post the battery usage screenshot once your battery dips below 20% so we can try to pinpoint the issue?

enigmaamit said:
So your battery level goes to 20% or below by every noon? Sheesh, that is indeed potato battery life...
But your screenshot suggests a pretty good standby time, nearly 11 hours usage and 72% remaining...
Maybe post the battery usage screenshot once your battery dips below 20% so we can try to pinpoint the issue?
Click to expand...
Click to collapse
Actually my battery level around %50 in noon. For example this screen shot is today after noon. In noon was %100

I am 90% sure that your battery drain is caused by the mediocre 4G signal which is used for internet at all times. A lot of power is basically being allocated to get a better signal and thus while you use WS all the time, your batt drains FAST. If you happen to have Wi-Fi for a day or two and the signal is maxed out, the battery will surely last longer. Generally speaking though, you cannot compare other peoples SOT to yours as most people do not use WS as much as you, nor 4G at all times.
There might be some other extra settings that could be altered to improve battery, like:
adaptive battery ON
enhanced processing OFF
location OFF
background data OFF
resolution to FHD
background usage limit to put rarely used apps to sleep
NFC OFF
nearby device scanning OFF
And of course the last version of android 11, as it seems A12 is not yet worthy or ruling the S21U. Sadly I have a feeling that Samsung might not fix A12 for the S21U as they are now releasing the S22. Hope I'm wrong.

The Big Battery drainers:
Screen - If you have manually set it high - Try Auto
Mobile Signal - Nothing you can do if its poor - unless possibility of WIFI
Location - Always On is a no no if you can help it - try use when app open only.
Background Data - Turn off for apps which its not reqd .
Also Since Android 12 I also seem to get lower SOT although my phone battery has been same since android 11. Im not sure if they changed the way they show/measure SOT now.

Question "Cell Standby" battery drain on latest MIUI Global 13.0.12?

Hi, everyone. I bought a Redmi Note 11 Global a few days back and while setting it up, I was amazed at the battery life. It was at 56% when I opened it up, and throughout the entire setup process and after around 5 or 6 hours of screen on time, I was still at around 15% battery.
After that, I decided to update the phone, and immediately after, I realized the battery life I was getting wasn't as good as it was a literal day ago. From 90 to 50, I would only get around 3 hours of SOT and from 50 to 10 around 3-4 hours. My use case was even lighter than in the first day, yet my battery life had dropped significantly.
I went into phone settings and for some reason, Cell Standby, Phone Services and Phone idle were in the top of the list, Cell Standby taking up the most of the battery. I have no idea why this is happening. I've tried "Reset Wi-Fi, mobile networks, and Bluetooth", clearing Play Store and Play Services data, turning off "Always keep mobile data on" and the battery life is still pretty bad.
This is my first time on MIUI, and I am absolutely disappointed. Despite the whole battery issues, MIUI has a lot of other accessibility issues that stock Android doesn't have.
Does anyone else have the same problems on their Redmi Note 11? Has anyone had a good fix for it? Please help.

Mine working perfectly, maybe your device's hardware error?

sarib said:
Mine working perfectly, maybe your device's hardware error?
Click to expand...
Click to collapse
I thought about that, but this is only happening after the latest update. It was fine when I bought the phone.

Disable make calls with Wi-Fi option at settings.

Zentom said:
I thought about that, but this is only happening after the latest update. It was fine when I bought the phone.
Click to expand...
Click to collapse
Factory Restoration may work in your case just an opinion

onw2 said:
Disable make calls with Wi-Fi option at settings.
Click to expand...
Click to collapse
I'll try this. Can you let me know your SOT on a full charge down to low charge?
sarib said:
Factory Restoration may work in your case just an opinion
Click to expand...
Click to collapse
I will try that as a last resort. If you don't mind me asking, what SOT do you get on your device?

Zentom said:
I'll try this. Can you let me know your SOT on a full charge down to low charge?
I will try that as a last resort. If you don't mind me asking, what SOT do you get on your device?
Click to expand...
Click to collapse
I never checked SOT time but Cell Standby uses about %1 battery. It was high before disabling make calls with Wi-Fi. I'm using Xiaomi 11T.

Zentom said:
I'll try this. Can you let me know your SOT on a full charge down to low charge?
I will try that as a last resort. If you don't mind me asking, what SOT do you get on your device?
Click to expand...
Click to collapse
2.5%

onw2 said:
I never checked SOT time but Cell Standby uses about %1 battery. It was high before disabling make calls with Wi-Fi. I'm using Xiaomi 11T.
Click to expand...
Click to collapse
I can't find that option. Can you name the exact name as it is in settings? Btw I use the Google Phone app and not the Xiaomi phone, although Phone Services still uses a lot.
Edit: I just realized my phone doesn't have the Make calls with Wi-fi option, and not VOLTE either. My country doesn't really use it.
sarib said:
2.5%
Click to expand...
Click to collapse
No like what's the Screen time you get on a full charge.

I've tried resetting the phone now too. It didn't work. Cell standby is still at the top of the list by a large margin. Do you think this is a hardware issue or a miui issue? I can't really say since no one here is telling me their SOT so I can't say if this is a me problem.

Zentom said:
I can't find that option. Can you name the exact name as it is in settings? Btw I use the Google Phone app and not the Xiaomi phone, although Phone Services still uses a lot.
Edit: I just realized my phone doesn't have the Make calls with Wi-fi option, and not VOLTE either. My country doesn't really use it.
No like what's the Screen time you get on a full charge.
Click to expand...
Click to collapse
Actually I can't tell you exactly but currently I'm using since last 4 hours and 40 minutes with WiFi on 2 hours on Netflix and remaining in social media, I've to charge it once in 24 hours simple , the adorable features in this smartphone is it's battery life and amoled display if you're facing problems in these main features you should replace it
Zentom said:
I can't find that option. Can you name the exact name as it is in settings? Btw I use the Google Phone app and not the Xiaomi phone, although Phone Services still uses a lot.
Edit: I just realized my phone doesn't have the Make calls with Wi-fi option, and not VOLTE either. My country doesn't really use it.
No like what's the Screen time you get on a full charge.
Click to expand...
Click to collapse
Approximately 8+ hours

sarib said:
Actually I can't tell you exactly but currently I'm using since last 4 hours and 40 minutes with WiFi on 2 hours on Netflix and remaining in social media, I've to charge it once in 24 hours simple , the adorable features in this smartphone is it's battery life and amoled display if you're facing problems in these main features you should replace it
Approximately 8+ hours
Click to expand...
Click to collapse
8+ hours from 100-0 or some other percentage? Also, I have a friend who also has a Redmi Note 11 Global, and I saw his Battery tab and Cell Standby was at the top of his list too. I believe this is an issue with the update but I can't tell.

Zentom said:
8+ hours from 100-0 or some other percentage? Also, I have a friend who also has a Redmi Note 11 Global, and I saw his Battery tab and Cell Standby was at the top of his list too. I believe this is an issue with the update but I can't tell.
Click to expand...
Click to collapse
From 100%, this is an estimate but actual time maybe more than 8 hours

Hello I'm not sure if it will help, i'm on Mi Mix 4 and i had this issue for like 2 weeks now, finally i did something which solved the issue for me, i'm on MIUI 13.0.6 EU rom.
steps i did
1. Go to Google Play store
2. Search for an app called "carrier services"
3. Uninstalled it, so it reset to factory default.
5. In less than 6 hours cell standby completely disappeared from the battery graph.
I used to have more than 70% eaten by cell standby
this is the app, below is 10 minutes after i uninstalled it, battery drain from cell standby went down from 70 to 49
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
this below image is after 5 hours

blackcat0021 said:
Hello I'm not sure if it will help, i'm on Mi Mix 4 and i had this issue for like 2 weeks now, finally i did something which solved the issue for me, i'm on MIUI 13.0.6 EU rom.
steps i did
1. Go to Google Play store
2. Search for an app called "carrier services"
3. Uninstalled it, so it reset to factory default.
5. In less than 6 hours cell standby completely disappeared from the battery graph.
I used to have more than 70% eaten by cell standby
this is the app, below is 10 minutes after i uninstalled it, battery drain from cell standby went down from 70 to 49
View attachment 5671563 this below image is after 5 hours
View attachment 5671567
Click to expand...
Click to collapse
update after mobile switched on overnight

blackcat0021 said:
Hello I'm not sure if it will help, i'm on Mi Mix 4 and i had this issue for like 2 weeks now, finally i did something which solved the issue for me, i'm on MIUI 13.0.6 EU rom.
steps i did
1. Go to Google Play store
2. Search for an app called "carrier services"
3. Uninstalled it, so it reset to factory default.
5. In less than 6 hours cell standby completely disappeared from the battery graph.
I used to have more than 70% eaten by cell standby
this is the app, below is 10 minutes after i uninstalled it, battery drain from cell standby went down from 70 to 49
View attachment 5671563 this below image is after 5 hours
View attachment 5671567
Click to expand...
Click to collapse
Tried this - did not work for me. RN10 Pro EEA MIUI 13.0.12

I have this issue on Mi 10T Pro MIUI 13. Battery drains overnight but if I switch on airplane mode even with wifi, Bluetooth and location on (VoWifi enabled too), there is no such drain. Apparently factory reset didn't help unless I've already did something wrong again.

I have a RN10 Pro and a RN9 Pro EEA
Since new, both phones have annoyingly had "cell standby" at the top of the list of battery usage.
The RN9 Pro recently updated to MIUI 13.0.1 I did a factory reset as a matter of course because of the change from Android 11 to 12.
I have no idea what Xiaomi did with this update, but I am delighted that "cell standby" is now at the bottom of the list of battery usage and "phone idle" is at the top - which is where it should be for my usage of the phone.

Update: There is one change I noticed that the MIUI update has made in the version that is fixed. They changed my APN access points to something completely different for my SIM (Vodafone UK). Unfortunatley the default APN's are locked on the RN10P so I cannot change them to test. Adding a new APN does not fix the problem.

ভাই সমাধান পাইছেন note 11 এ ,,,,আমার ও same সমস্যা ভাই

Question Battery life on my Redmi Note 10 Pro became unexplainably crappy

My phone was purchased a little over a year ago. At first it probably needed a full recharge maybe once per two days, so I doubt it went through more than 200 charge cycles.
The screen on time when new regularly surpassed 12 hours with browsing and some YouTube. I suppose it became a bit worse as time went by, but the current SOT is terrible and also unpredictable. Again, it's mostly browsing on Chrome and YouTube, and it can be between 7 hours SOT to 10 maybe. The MIUI was updated to 13.0.15 I think a couple of months ago, and perhaps it became this bad after the update.
Does anyone else have this? The battery usage breakdown also doesn't make much sense. Chrome is often at the top but it counts as if only a small fraction of its usage was CPU foreground. Android System is often third-fourth, and the Cell Standby can be about 5%, but the drainage when not using the phone is sometimes a few percents every hour.
I revoked almost all of the system apps and also removed "Modify System Settings" for all of them as suggested somewhere, but that doesn't help.
Any solution?

TLxda-d said:
My phone was purchased a little over a year ago. At first it probably needed a full recharge maybe once per two days, so I doubt it went through more than 200 charge cycles.
The screen on time when new regularly surpassed 12 hours with browsing and some YouTube. I suppose it became a bit worse as time went by, but the current SOT is terrible and also unpredictable. Again, it's mostly browsing on Chrome and YouTube, and it can be between 7 hours SOT to 10 maybe. The MIUI was updated to 13.0.15 I think a couple of months ago, and perhaps it became this bad after the update.
Does anyone else have this? The battery usage breakdown also doesn't make much sense. Chrome is often at the top but it counts as if only a small fraction of its usage was CPU foreground. Android System is often third-fourth, and the Cell Standby can be about 5%, but the drainage when not using the phone is sometimes a few percents every hour.
I revoked almost all of the system apps and also removed "Modify System Settings" for all of them as suggested somewhere, but that doesn't help.
Any solution?
Click to expand...
Click to collapse
use the dialer and tip *#*#6485#*#*
MF_02: should be the full battery cycle
MF_05: remain capacity in mAh
MF_06: designed capacity in mAh

dertuxinator said:
use the dialer and tip *#*#6485#*#*
MF_02: should be the full battery cycle
MF_05: remain capacity in mAh
MF_06: designed capacity in mAh
Click to expand...
Click to collapse
I have MF_00, 01, 03 and 04 but not those suggested values.
Also, it seems this phone uses a lithium-polymer battery and according to online resources that material is rated for about 300 recharge cycles. Does to mean it's actually expected to degrade significantly after just over a year? I will note there's a battery health status (MB_06) simply saying Good.

Had the same problem, but I bought mine two months ago with global MI 13. Didn't use phone much but Chrome was always on top of the list with minimum to no usage at all. When I disabled Chrome with mi tools, battery was good again. Try debloating with mi tools if you don't have root, should do the trick.

Midvyk said:
Had the same problem, but I bought mine two months ago with global MI 13. Didn't use phone much but Chrome was always on top of the list with minimum to no usage at all. When I disabled Chrome with mi tools, battery was good again. Try debloating with mi tools if you don't have root, should do the trick.
Click to expand...
Click to collapse
The question is whether it's actually because of Chrome or that there's something inaccurate with the battery readings? I prefer not to disable Chrome.
What SOT do you have with full charges?

TLxda-d said:
The question is whether it's actually because of Chrome or that there's something inaccurate ...
..
Click to expand...
Click to collapse
To know that. Disable Chrome temporary and use another browser that time.
There could be a good chance that background use of Chrome is because of installed bloatware.

Elinx said:
To know that. Disable Chrome temporary and use another browser that time.
There could be a good chance that background use of Chrome is because of installed bloatware.
Click to expand...
Click to collapse
Are there any examples of removing Xiaomi bloatware actually improving battery life?
I know you can't remove Security as it bricks the software and this seems like it might be the one thing that actually uses background battery, but the app is revoked on my phone anyway if that actually does anything.

TLxda-d said:
Are there any examples of removing Xiaomi bloatware actually improving battery life?
...
Click to expand...
Click to collapse
I know there is a list of removeable Miui bloatware, but because I choose for a custom rom, I don't know of explicit examples.
In the past, with another Xiaomi phone I have done this and I know that this minimized the ads then, but can't remember the BB improvement.
I depends what the bloatware apps tries to do and how.
If they use network connections or cause wakelocks that prevent deep sleep etc. removing them should improve battery life.

Elinx said:
I know there is a list of removeable Miui bloatware, but because I choose for a custom rom, I don't know of explicit examples.
In the past, with another Xiaomi phone I have done this and I know that this minimized the ads then, but can't remember the BB improvement.
I depends what the bloatware apps tries to do and how.
If they use network connections or cause wakelocks that prevent deep sleep etc. removing them should improve battery life.
Click to expand...
Click to collapse
I don't have any ads on anything other than regular ads in some third party apps.
Does the debloating method delete or just disable the apps?

TLxda-d said:
I don't have any ads on anything other than regular ads in some third party apps.
Does the debloating method delete or just disable the apps?
Click to expand...
Click to collapse
You better read the threat about debloating
Without root you can only remove this app for a user.
So in theory the app is gone for you, but it will be still there and is easy to install again.
You need adb for this and can remove/install apps the easy way with a script or manually for every app.
Personally I think you must be conservative with removing system apps to prevent malfunction.

TLxda-d said:
The question is whether it's actually because of Chrome or that there's something inaccurate with the battery readings? I prefer not to disable Chrome.
What SOT do you have with full charges?
Click to expand...
Click to collapse
SOT was good, 1st few charges (using from 20-85%) i got between 7h and 8h. I never go to 0 and 100% if i can help it.

Elinx said:
You better read the threat about debloating
Without root you can only remove this app for a user.
So in theory the app is gone for you, but it will be still there and is easy to install again.
You need adb for this and can remove/install apps the easy way with a script or manually for every app.
Personally I think you must be conservative with removing system apps to prevent malfunction.
Click to expand...
Click to collapse
Perhaps I'll try later. Thanks.

Midvyk said:
SOT was good, 1st few charges (using from 20-85%) i got between 7h and 8h. I never go to 0 and 100% if i can help it.
Click to expand...
Click to collapse
On what kind of usage? Because as I said, for light usage I got around 12 hours SOT at first.
EDIT: Ah, you referred to 85% to 20%, that could be around 12 hours for the entire battery.

Something similar happened to me this night. Bought the phone a couple of months ago, currently on miui 13 eea, rooted, sleepy kernel with limited cpu freq. With light usage the minimum SoT i got was 12 hours. However this night battery went from 15 % to 3% and the phone was totally inactive. This is the first time i see this issue. Dont know the cause.

TommasoClancione said:
Something similar happened to me this night. Bought the phone a couple of months ago, currently on miui 13 eea, rooted, sleepy kernel with limited cpu freq. With light usage the minimum SoT i got was 12 hours. However this night battery went from 15 % to 3% and the phone was totally inactive. This is the first time i see this issue. Dont know the cause.
Click to expand...
Click to collapse
Just this night it seems my phone has lost almost 20% on its own. The breakdown is like this:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
And "other", whatever that refers to, is at another 31%.

TLxda-d said:
Just this night it seems my phone has lost almost 20% on its own. The breakdown is like this:
View attachment 5808231
And "other", whatever that refers to, is at another 31%.
Click to expand...
Click to collapse
For me "phone idle" was about 20% of the usage. However this night everything was fine.

TommasoClancione said:
For me "phone idle" was about 20% of the usage. However this night everything was fine.
Click to expand...
Click to collapse
It seems the issue might be a bit better now, as so far the phone has been off the charger for about 5 hours and I have around 92% charge left over 50+ minutes of SOT.
I did "uninstall" through ADB a bunch of built in apps and software as suggested in some bloatware lists, although not everything (and some that weren't suggested in all cases but were supposedly related to mi account stuff), although another thing I did was unlog the mi account from the phone. I think I might have logged it in about a month ago when I wanted to change something with my mi router, and although nothing is set to backup to their cloud perhaps it did work in the background in some ways which heavily drained the battery?
I'll see when the battery is close to 0 what is the actual SOT.

TLxda-d said:
It seems the issue might be a bit better now, as so far the phone has been off the charger for about 5 hours and I have around 92% charge left over 50+ minutes of SOT.
I did "uninstall" through ADB a bunch of built in apps and software as suggested in some bloatware lists, although not everything (and some that weren't suggested in all cases but were supposedly related to mi account stuff), although another thing I did was unlog the mi account from the phone. I think I might have logged it in about a month ago when I wanted to change something with my mi router, and although nothing is set to backup to their cloud perhaps it did work in the background in some ways which heavily drained the battery?
I'll see when the battery is close to 0 what is the actual SOT.
Click to expand...
Click to collapse
Honestly i don't really know. For example the past night i left my phone on and everything went fine, no drain or strange issues. I always use the battery saver mode and i disabled most of the miui apps with luck patcher, except security, clock and some basic apps

TommasoClancione said:
Honestly i don't really know. For example the past night i left my phone on and everything went fine, no drain or strange issues. I always use the battery saver mode and i disabled most of the miui apps with luck patcher, except security, clock and some basic apps
Click to expand...
Click to collapse
Listen, the change in battery drain after the debloating I did (or just the logging out of the mi account, I don't know) is incredible! As I mentioned, it used to drain almost 20% over a 7-8 hour night with the battery breakdown I pasted above, and now it's 2% to 3% and looks like this:
Makes me wonder what it was doing in the background when all of the optional battery-draining features were supposedly disabled.

TLxda-d said:
Listen, the change in battery drain after the debloating I did (or just the logging out of the mi account, I don't know) is incredible! As I mentioned, it used to drain almost 20% over a 7-8 hour night with the battery breakdown I pasted above, and now it's 2% to 3% and looks like this:
View attachment 5810043
Makes me wonder what it was doing in the background when all of the optional battery-draining features were supposedly disabled.
Click to expand...
Click to collapse
Seems really good.