Database Develop

[Q] Can someone explain how forgetting wifi networks improves battery?

Sorry if this is a stupid question. But i read somewhere that forgetting (deleting) wifi networks would help battery. For me, this actually worked. Im not a power user so my phone will be idle for hours at a time. Coming from an iphone (i know its not a fair comparison cuz iphone is more lightweight), i would lose ~5% during 9.5 hours of work if i never took it out of my pocket. On the gnote3, i sometimes get 15%-20% drain even with a screen time of ~30min. But after forgetting the wifi networks, drain is reduced to 5%-10% within that 10 hours im working. So can anyone explain why after a few weeks, my battery will start to drain quicker again until i forget my 2 wifi networks (work and home)? As a disclaimer, that 5% on the iphone is when i literally didn't take the phone out of my pocket at all. I am playing with my gnote3 more than the iphone (the newness still hasn't worn off for me yet), but i wanted to throw the iphone stats in as a reference.

JTY87 said:
Sorry if this is a stupid question. But i read somewhere that forgetting (deleting) wifi networks would help battery. For me, this actually worked. Im not a power user so my phone will be idle for hours at a time. Coming from an iphone (i know its not a fair comparison cuz iphone is more lightweight), i would lose ~5% during 9.5 hours of work if i never took it out of my pocket. On the gnote3, i sometimes get 15%-20% drain even with a screen time of ~30min. But after forgetting the wifi networks, drain is reduced to 5%-10% within that 10 hours im working. So can anyone explain why after a few weeks, my battery will start to drain quicker again until i forget my 2 wifi networks (work and home)? As a disclaimer, that 5% on the iphone is when i literally didn't take the phone out of my pocket at all. I am playing with my gnote3 more than the iphone (the newness still hasn't worn off for me yet), but i wanted to throw the iphone stats in as a reference.
Click to expand...
Click to collapse
Well I'm not certain if it actually works this way or not. But here's a theory..... If you have a bunch of stored wifi access points and aren't connected to any, the phone might be looking for those connections? But isn't it looking for wifi anyway? Maybe if you don't have stored access points it doesn't look so often? That's my theory on this situation that I've never heard before but anything is possible because it's the internet!!! The easier fix to this without deleting your wifi access points is to disable wifi all together. You can even add a shortcut to your homescreen!
If you really want to get to the bottom of this and find out what was happening I would install Wakelock Detector. Even when you're not using your phone because it's locked in your pocket, rogue apps or processes can wake your cpu. This app will tell you what's waking your device and draining the battery. If your device is rooted I HIGHly recommend getting Greenify. You can choose to hibernate apps directly from the wakelock detector app. Now how cool is that!!

I like what ^he said. Only if your WiFi is constantly on but not connected it will constantly be scanning which will impact battery. If its connected but a weak signal this will also impact battery life poorly, same as constantly connecting and disconnecting. I leave all my WiFi on all the time at home and over 10 hours of non use only drop 2% or less. However in your WiFi setting there is a setting that has an option to disable WiFi when asleep. If your always pulling your phone out to play with it and have this option enabled then every time you turn your phone on it will scan for a network. And turn back off when you turn the screen off. I am not a fan of this option and for better battery life leave your WiFi on all the time UNLESS you don't have a network to connect to. If you're connected leave it on, if not turn it off. I recommend to set it up like this.
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RErick said:
I like what ^he said. Only if your WiFi is constantly on but not connected it will constantly be scanning which will impact battery. If its connected but a weak signal this will also impact battery life poorly, same as constantly connecting and disconnecting. I leave all my WiFi on all the time at home and over 10 hours of non use only drop 2% or less. However in your WiFi setting there is a setting that has an option to disable WiFi when asleep. If your always pulling your phone out to play with it and have this option enabled then every time you turn your phone on it will scan for a network. And turn back off when you turn the screen off. I am not a fan of this option and for better battery life leave your WiFi on all the time UNLESS you don't have a network to connect to. If you're connected leave it on, if not turn it off. I recommend to set it up like this.
Sent from my SM-N900A
Click to expand...
Click to collapse
I've got the same setup as you! It seems to work for me as you can tell by my battery stats.

What I usually do is I just take a few seconds to disable everything other than mobile data when I'm out and about. If I need to check emails I do so with a manual sync, unless it's during work or on-call hours (Gotta keep them servers running 24/7!) in which case I leave on autosync.
I try to never leave location on unless I need to use Maps, and because of that I keep all the stuff that's supposed to use WiFi even when WiFi is off disabled as well. I'm sure there's fifty ways I could automate all of this into profiles but I like the manual control over my battery consumption.
I haven't run numbers but I've kept the phone uncharged for almost two days with no problems. I was even able to make it back to home on the last 5% with three or four subway stops and plug her in before she died. And that's with the default battery.
I think it's more about overall mindfulness of what processes are running versus an insane level of finetuning for the process. If you make sure A) that WiFi is disabled, and that B) WiFi is *REALLY* disabled, meaning no scanning for networks or being used for location services, then even if you have fifty networks saved it won't scan for any of them.

Doze not saving any battery

Hello,
I got the 6.0 OTA last week. It seems to have some minor issues with wifi, but it doesn't really bother me too much.
What I am bothered by is the fact that Doze doesn't really save any battery for me.
I've left the phone on my desk during the night a few times now and every morning the battery seems to have drained about 15% like it did in lollipop.
Just last night I left the phone face down, so the screen would never turn on, and it had 50% at 1:00am and when I woke up at 9:00am it had 37%
My brother has a Nexus 5 and says his phone only looses like 2% during the night.
The only two items on the Battery Optimization list that aren't optimized, are Google Play Services and Motorola Notification.
Is Doze not supposed to work on the Moto X?
What has been your experience with Doze like?

evilnoxx said:
Hello,
I got the 6.0 OTA last week. It seems to have some minor issues with wifi, but it doesn't really bother me too much.
What I am bothered by is the fact that Doze doesn't really save any battery for me.
I've left the phone on my desk during the night a few times now and every morning the battery seems to have drained about 15% like it did in lollipop.
Just last night I left the phone face down, so the screen would never turn on, and it had 50% at 1:00am and when I woke up at 9:00am it had 37%
My brother has a Nexus 5 and says his phone only looses like 2% during the night.
The only two items on the Battery Optimization list that aren't optimized, are Google Play Services and Motorola Notification.
Is Doze not supposed to work on the Moto X?
What has been your experience with Doze like?
Click to expand...
Click to collapse
I am experiencing the same.
During the night it looses from 10 to 15%. I flushed the cache partition and uninstalled Greenify(no root) , but it didn´t get better results.

fcarminato said:
I am experiencing the same.
During the night it looses from 10 to 15%. I flushed the cache partition and uninstalled Greenify(no root) , but it didn´t get better results.
Click to expand...
Click to collapse
I pretty disappointed since Doze was the only feature I was looking forward to in 6.0

evilnoxx said:
I pretty disappointed since Doze was the only feature I was looking forward to in 6.0
Click to expand...
Click to collapse
Me too. Besides it´s more fluid I was excited about Doze more than anything else.
Some say that you should do a factory reset to get Doze working.
Did you try this?

fcarminato said:
Me too. Besides it´s more fluid I was excited about Doze more than anything else.
Some say that you should do a fabric reset to get Doze working.
Did you try this?
Click to expand...
Click to collapse
Not yet, as I like to leave factory resets as the last option.
Hopefully there are other things to try first.

Has it got something to do with Moto Display? DND doesn't automatically deactivate the sensors like Moto Assist used to keep the screen dark and the phone still flashes notifications at night. Does that consumer battery?
You can choose the screen to go dark from 11pm-6am in Moto Display, but they removed the option to define custom timings. The flashing interval for Moto Display also seems to have been reduced which becomes a little annoying.

It kind of works for me. Expect to lose 8-10% whole night because Motorola radios take up more juice than any other manufacturer. Without Doze, this drain was upto 14% per night.

tyus2 said:
It kind of works for me. Expect to lose 8-10% whole night because Motorola radios take up more juice than any other manufacturer. Without Doze, this drain was upto 14% per night.
Click to expand...
Click to collapse
By radios, you mean 3G/4G and wifi? If so, isn't Doze supposed to turn those off for long periods of time anyway?
I'm going to try and turn off Moto Display for a while and see if that makes a big difference.
EDIT: Turning Moto Display off didn't help at all. Last night the battery dropped 15%. Also, I have 2 alarms, set 15 minutes apart, that only went off when I unlocked the phone 30 minutes after the last one was supposed to go off. I use Circle Alarm, so I'll be switching to the stock alarm app to avoid this.

Doze never turns off radios, rather turns off apps' ability to wake up device (or communicate with radios and push information to the user). The cellular radios take up more battery in Moto X than other phone. So, expect 8-10% drop per night (in a nexus 5, drop per night is 5-7%). Anything higher than that, maybe some apps are rogue. Try to find out what apps are waking up your device. BTW, Moto Display doesn't take up much battery because it runs off the DSP, not the main cores, and second, the phone has AMOLED panel, which lights up only the needed pixels.

Here it happens like this: I go to recovery and Wipe Cache, then leave the phone idle: doze works, losing roughly 3% in 8 hrs. The second time I let my phone idle, doze doesn't work anymore (I guess?), losing about 10% in 8hrs. I did a clean install btw, wiped /system, /data, /cache and even done a factory reset later. Battery is still not that bad, I just think that I could do better at standby, especially when on 4G/LTE... I'm currently getting around 4h30 on WiFi and 3h30 on 4G, in a 15 - 17hrs period, with good coverage, 30-50% brightness and sync on.
The thing that is annoying me the most on this 6.0 is the heads-up notification... This "Operator Info" keeps popping up when I receive a notification, and when I'm on ladscape while on immersive mode, the area where the status bar is supposed to be get's like this:
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Lunatiic said:
Here it happens like this: I go to recovery and Wipe Cache, then leave the phone idle: doze works, losing roughly 3% in 8 hrs. The second time I let my phone idle, doze doesn't work anymore (I guess?), losing about 10% in 8hrs. I did a clean install btw, wiped /system, /data, /cache and even done a factory reset later. Battery is still not that bad, I just think that I could do better at standby, especially when on 4G/LTE... I'm currently getting around 4h30 on WiFi and 3h30 on 4G, in a 15 - 17hrs period, with good coverage, 30-50% brightness and sync on.
The thing that is annoying me the most on this 6.0 is the heads-up notification... This "Operator Info" keeps popping up when I receive a notification, and when I'm on ladscape while on immersive mode, the area where the status bar is supposed to be get's like this:
Click to expand...
Click to collapse
So it seems possible to get the 3% drop overnight....
Also, I'm not having the "Operator Info" problem. Mine doesn't show the operator at all, and I can no longer find the option to turn it on/off

evilnoxx said:
Not yet, as I like to leave factory resets as the last option.
Hopefully there are other things to try first.
Click to expand...
Click to collapse
I tried this:
- wipe app cache
- wipe system cache
- turn off wifi scan
- clear radio settings
Now if I let the phone without interaction for some time it doesn´t drain the battery and it consumes only 5 to 7% over night (about 7 to 8 hours).

fcarminato said:
I tried this:
- wipe app cache
- wipe system cache
- turn off wifi scan
- clear radio settings
Now if I let the phone without interaction for some time it doesn´t drain the battery and it consumes only 5 to 7% over night (about 7 to 8 hours).
Click to expand...
Click to collapse
Turning off wifi scan seems like it could do the trick. I'm trying this tonight.
Also, what do you mean by "clear radio settings" and how do you do that?

evilnoxx said:
Turning off wifi scan seems like it could do the trick. I'm trying this tonight.
Also, what do you mean by "clear radio settings" and how do you do that?
Click to expand...
Click to collapse
Sorry, I meant clear network settings.
Just go to Settings > Backup and reset > Network settings reset to clear all your connection data

[Battery Life] OP3 vs IP6

Hi! I know Android since 2008 (HTC Hero), had tons of devices and (have to) use IPhone6 Plus for work.
Can someone please explain why IPhone is basically not draining battery when screen is off? I can put my IPhone with all services running...Facebook, email, Google, Instagram etc...If I dont use it 24h it maybe looses 3%...
But on Android...not matter what I do (Greenify, disabling notifications for Facebook, Instagram... etc..) I don't get anything close to that. I discovered across multiple devices with different ROMS. With my fresh OP3T it is not any different...
What is Apple doing differently here?

moskito99 said:
Hi! I know Android since 2008 (HTC Hero), had tons of devices and (have to) use IPhone6 Plus for work.
Can someone please explain why IPhone is basically not draining battery when screen is off? I can put my IPhone with all services running...Facebook, email, Google, Instagram etc...If I dont use it 24h it maybe looses 3%...
But on Android...not matter what I do (Greenify, disabling notifications for Facebook, Instagram... etc..) I don't get anything close to that. I discovered across multiple devices with different ROMS. With my fresh OP3T it is not any different...
What is Apple doing differently here?
Click to expand...
Click to collapse
Google has more services that sync in the background than apple by default, so things like location history (which I would recommend turning off) and sync for apps like Facebook that can't be disabled (unless you use Greenify) are the most common drains.

xxBrun0xx said:
Google has more services that sync in the background than apple by default, so things like location history (which I would recommend turning off) and sync for apps like Facebook that can't be disabled (unless you use Greenify) are the most common drains.
Click to expand...
Click to collapse
I know But even if I change massively on Android incl. Wakelocks etc there is not a lot of change. Facebook I had e.g. on Cyanogenmod as "keep active = no" and others as well...But IP was still way much better. And I get all updates on my IP6 incl. ebay, messages etc....
Honestly it is annoying because stand by drain should be at least the same with all the measures we can do with a rooted device...but in reality IPhone keeps e.g. 100% for at least 8 or 10 hours....
I know location history has definetly some influence...is there any way to send location history maybe only every 10 min?

That's all due to optimization of the app code and the os
Sent from my OnePlus3 using XDA Labs

moskito99 said:
Hi! I know Android since 2008 (HTC Hero), had tons of devices and (have to) use IPhone6 Plus for work.
Can someone please explain why IPhone is basically not draining battery when screen is off? I can put my IPhone with all services running...Facebook, email, Google, Instagram etc...If I dont use it 24h it maybe looses 3%...
But on Android...not matter what I do (Greenify, disabling notifications for Facebook, Instagram... etc..) I don't get anything close to that. I discovered across multiple devices with different ROMS. With my fresh OP3T it is not any different...
What is Apple doing differently here?
Click to expand...
Click to collapse
Set localization to battery saving mode, and you should get better results on Android. IOS is better optimized though so you wont get the same results on android. Also if you suggest on battery stats you shouldnt comaper androids SoT and ios "device active" or something because they are not the same.

I know it's really bad. Look at my results. Can't even run for half day on battery
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Sent from my Pixel XL using Tapatalk

If you want really disgusting battery life, give the moto z play a try. My wife got one recently and it is unbelievable. +10 hours SOT over 48 hours with sync on and no battery saving techniques. It's only got a 3500 mah battery, which leads me to believe CPU efficiency plays a bigger role in battery life than optimization of the OS.

hem.acharya said:
I know it's really bad. Look at my results. Can't even run for half day on battery
Sent from my Pixel XL using Tapatalk
Click to expand...
Click to collapse
Because your device doesn't sleep, if it sleeps (screen is off) the battery drain should be way closer to a solid line that barely goes 1-2% down. Buy you are ilon Nougat CM 14.1? It's known that sleep is currently broken on 7.1 Nougat for Oneplus 3.

hem.acharya said:
I know it's really bad. Look at my results. Can't even run for half day on battery 
Click to expand...
Click to collapse
I think there is something really draining your battery or your battery is dieing.
Look here cb 8.
Download betterbatterystats this should give you a clear view what is the cause. Here an average drain of 1.7% per hour.

snippem said:
I think there is something really draining your battery or your battery is dieing.
Look here cb 8.
Download betterbatterystats this should give you a clear view what is the cause. Here an average drain of 1.7% per hour.
Click to expand...
Click to collapse
Hi I have better battery stats installed nothing significant in there too. I am. Running 4g all the time may be that's why the drain is so bad
Sent from my Pixel XL using Tapatalk

thank you for all the feedbacks. Just wanted to start discussion about it!
Real life experience with my work iphone 6plus yesterday.
3% at 8pm...sync and all services on (gmail, location for google, facebook, ebay, instagram etc...) and running. Phone was ringing twice because of skype call coming in, but was not used...Next morning 7am still at 2%....
Android got better, much better, but still is far from that....pretty much the only part I like about IP

ip6?!?..
It's that a phone?!?..:laugh:

The Iphone has better battery life, easily.
However, the battery life on this phone is such that it shouldn't be a problem... Who goes a day or two without access to a charger?
If you are doing nothing but watch Netflix and play Pokemon all day, yeah, the OP3 will run out of juice... But at that point you don't have a social life, so you can hug the wall and recharge and not miss a beat.

Phone was at 98% at 1:00am and then 96% at 8:30 when I woke back up. All sync is on. No greenify or anything like that. I think standby drain is just fine.

xxBrun0xx said:
Google has more services that sync in the background than apple by default, so things like location history (which I would recommend turning off) and sync for apps like Facebook that can't be disabled (unless you use Greenify) are the most common drains.
Click to expand...
Click to collapse
iOS does too. Here's a screenshot from my iPad. I was getting all notifications on time and did everything on it except game.
Over three weeks off the charger:
Sent from my ONEPLUS A3000 using Tapatalk

"Stand by 22 DAYS"..., hilarious. Apple drollery..

If I was a hardcore user, (which I'm not,) all that would concern me is whether my phone could last a day after a few years of use.
As a light user, its nice that my battery can go days but that's what it really is, a nicety.

Dunno about OP but my IP6 always had at least 8-10% battery drain overnight, and I never even had Facebook on it (just Messenger). OP3 is at 3-6% most of times, depending on how many times it got woken up due to notifications.

My battery life is just perfect.
Beta 8 Nougat.
Beta 9 is even better.

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.
Spoiler: Screen shots
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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 What is your battery voltage and percent-charge?

Can y'all please dial *#0228# in your dialer apps and tell me what the voltage is and what the corresponding battery percent is?
I'm trying to also see what it is at 100%.
Thanks, just checking something.
I'm at 3.74V @ 26%.

4.13
80%

varcor said:
4.13
80%
Click to expand...
Click to collapse
Thanks. Please let me know your voltage if you charge to 100%.

It will vary at 100% ... or is it really 80%?
All I know for sure is it stops drawing current/increasing in voltage after reaching an indicated 100% no matter what you do.

nixnixnixnix4 said:
Can y'all please dial *#0228# in your dialer apps and tell me what the voltage is and what the corresponding battery percent is?
I'm trying to also see what it is at 100%.
Thanks, just checking something.
I'm at 3.74V @ 26%.
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4.366 V at 100%

blackhawk said:
It will vary at 100% ... or is it really 80%?
All I know for sure is it stops drawing current/increasing in voltage after reaching an indicated 100% no matter what you do.
Click to expand...
Click to collapse
The cell is rated for 4.45V as the cutoff, but it stops at 4.35V, which is good: https://guide-images.cdn.ifixit.com/igi/m4vrgZ3PqskbyvKM.huge
And: https://forum.xda-developers.com/t/...-batteries-in-the-s-and-other-series.4284787/

nixnixnixnix4 said:
The cell is rated for 4.45V as the cutoff, but it stops at 4.35V, which is good: https://guide-images.cdn.ifixit.com/igi/m4vrgZ3PqskbyvKM.huge
And: https://forum.xda-developers.com/t/...-batteries-in-the-s-and-other-series.4284787/
Click to expand...
Click to collapse
The only things I mostly look at are SOT battery usage % and temperature when charging.
It rare I charge past 80-90%, just not needed.

blackhawk said:
The only things I mostly look at are SOT battery usage % and temperature when charging.
It rare I charge past 80-90%, just not needed.
Click to expand...
Click to collapse
My S21 Ultra reliably loses 1% an hour without significant intervention on my part and with very light phone usage. I'd say that this is the standby battery loss rate. I'm fine with that. Is that a normal experience?

nixnixnixnix4 said:
My S21 Ultra reliably loses 1% an hour without significant intervention on my part and with very light phone usage. I'd say that this is the standby battery loss rate. I'm fine with that. Is that a normal experience?
Click to expand...
Click to collapse
Sounds like there's background activity going on.
Google backup Transport and Framework maybe. I have those two always package disable and Google play Services is turn off. Google Play Services is a vampire and not often needed by me except mostly for Gmail.
Playstore is also package disabled unless needed. Location is always off unless needed.
I like to see under 1%, think I'm getting about .5% with the tap on AOD setting. It still gets texts and phone calls; not in airplane mode. Wifi is always disabled, I don't use it and bluetooth is turned off at night which is mostly for security.
I have about 86 apks always disabled, most are bloatware anyway.
This stock 10+ is heavily configured but it gives it better battery life and is more secure.
With the newer more efficient memory and CPU you should be able to do better than me. I'm running on 4 G lte only, not sure if 5 G is still an issue now or not.
This is my SOT usage right now and a lot of that was streaming vids. Ha-ha notice the Accubattery charging reporting glitch, no idea what triggered that... Adroids.

blackhawk said:
Sounds like there's background activity going on.
Google backup Transport and Framework maybe. I have those two always package disable and Google play Services is turn off. Google Play Services is a vampire and not often needed by me except mostly for Gmail.
Playstore is also package disabled unless needed. Location is always off unless needed.
Click to expand...
Click to collapse
Well, what kind of "Screen Off Discharge Rate" do you face?
I'm actually quite happy with 1% an hour. It is rather consistent too: 5G or LTE or WiFi -- all the same.

nixnixnixnix4 said:
My S21 Ultra reliably loses 1% an hour without significant intervention on my part and with very light phone usage. I'd say that this is the standby battery loss rate. I'm fine with that. Is that a normal experience?
Click to expand...
Click to collapse
If you're using your device to it's full potential, without handicapping any of it's major functions, 1% per hour seems about at par with what i get on WiFi at home. This goes up to around 2% per hour when I have my Galaxy Watch connected to the phone via BT, and I'm at work, connected to 4G.
I have a Galaxy Tab S7 too, which is always synced to the S21U for "Calls and Messages on other devices" setting, and Seamless Earbud Connection enabled on the Buds Live and the Buds Plus, that allows them to automatically jump between the phone and the tablet depending on which device i pick up and start using. I also have Your Phone app running in the background, that connects my phone to my Windows laptop for calls, messages and notifications. My setup allows a close integration among all my devices and I can take calls or continue work on anything at home with a screen.
I'm using Dual SIMs, both on LTE, WiFi and BT always on, Auto-Sync enabled, FHD+ (my eyes couldn't appreciate the difference between FHD+ and WQHD+), Adaptive Refresh Rate, Auto-brightness enabled, and no debloating except what Device Care automatically puts to sleep/deep sleep. And with all this going, I've never run out of battery in a day, so far. If I were to use only the phone screen for everything, then maybe SOT would've mattered more - but I jump between devices at my convenience and my use-case scenario, and i like that flexibility and freedom. Samsung is the only non-apple company that makes such a cohesive eco-system currently across these many device categories.
So as long as my phone makes it to the end of the day (when everything gets plugged in anyway), I'm not looking to cripple any functionality on this expensive glass and silicon sandwich. I just want to get my money's worth...
So for my specific use case, I'm happy leaving the phone running everything it is capable of, while sipping a little battery in the background. YMMV.

enigmaamit said:
If you're using your device to it's full potential, without handicapping any of it's major functions, 1% per hour seems about at par with what i get on WiFi at home. This goes up to around 2% per hour when I have my Galaxy Watch connected to the phone via BT, and I'm at work, connected to 4G. ...
Click to expand...
Click to collapse
My outlook is the same.
By the way, you might want to try Samsung Flow from the Microsoft Store. I find it to be loads better than Your Phone. It has every feature I would want. Drag and drop into a folder in the Files App. Control apps / screen remotely. Clipboard connection ON/OFF. And, more.

nixnixnixnix4 said:
My outlook is the same.
By the way, you might want to try Samsung Flow from the Microsoft Store. I find it to be loads better than Your Phone. It has every feature I would want. Drag and drop into a folder in the Files App. Control apps / screen remotely. Clipboard connection ON/OFF. And, more.
Click to expand...
Click to collapse
I tried it right after i got the phone but found the Your Phone integration a little better for calls, messages and notifications. Flow was better at file transfer definitely, but because most of my services are cloud based, I rarely require an actual inter-device file transfer.
But this was months ago, and maybe Flow has improved over time.
Thank you for the suggestion, I will try it out once again and see how it works for me.

nixnixnixnix4 said:
Well, what kind of "Screen Off Discharge Rate" do you face?
I'm actually quite happy with 1% an hour. It is rather consistent too: 5G or LTE or WiFi -- all the same.
Click to expand...
Click to collapse
Less than .5%@hr about 3% for 6 hours or so is what it's running now. It's not much...