Database Develop

12 Ways to Save Battery without Root and break 7hrs SoT

I put together a list of things that helped me get 7 hours SoT on a charge (Wifi). Edit: 6.75hrs SoT. Edit2: 7.75hrs SoT No root access or modifications needed for these.
This is my first Android device and I wanted to share some of the things I've learned mostly reading these forums. It also annoys me to read users complain about their battery life but are unwilling to do anything about it. I hope this will help people to realize the full potential of their phone.
Llama, Tasker, etc: Automate everything you can to save battery. It can be more efficient to run a line of code then to tap the screen.
Force stop all the programs you don't really need running in the background in Settings > Apps > Running. Basically act like your own Greenify. Or use Greenify.
Wakelocks: Track the "Awake Time" of suspicious applications and services and either reboot or force stop them if necessary.
Disable Google applications you don't need. Myself I disabled Chrome, Gmail and News & Weather.
Disable: touch and typing vibration. I have type sounds On and touch sounds Off because those really add up on speaker.
Disable: NFC, Bluetooth, Wireless printing etc. Automate to run only when needed for no lost functionality.
Wifi: Automate to turn on only for Wifi zones of your choice. No lost functionality. Wifi always scanning: Off.
Notifications: Apps and games can send you unnecessary notifications. Disable them. Enable only what you need.
Hotword detection: off. This specifically drains SoT and saves only a single screen tap.
Widgets: These drain battery without ever showing up individually on the stats page. Silent killers.
Lux: Another silent killer even when set "On Wake only" and "Slow". Just by disabling Lux lite and a once-daily updated Feedly widget I noticed significant SoT gains. Using Llama to automate brightness is more efficient.
Speaker vs Headphones: The speaker seems to use more battery.
Two apps that can help you monitor your battery and phone with no root requirement:
Play Store Link.
Current Widget - Set to update manually on your home screen for minimal power draw. Check your charge and discharge rates along with battery temperature.
Play Store Link.
S Tools+ - This just popped up in the XDA apps section the other day. Detailed information on CPU states, Deep Sleep time and ALL your sensors, nicely graphed and very polished including transparent nav bar. Other than real time graphing of sensors this shouldn't be much of a drain.

Speaker vs headphones....what?? Care to explain how? I'm saying the difference is negligible.
Sent from my Nexus 5 using xda app-developers app

Yeah, you really don't need to do all that to save battery. Just don't turn on data until you need it and you'll get a week of standby on a single charge with this phone, and a full day of usage (or more depending on how much you use it).

monkeypaws said:
Speaker vs headphones....what?? Care to explain how? I'm saying the difference is negligible.
Sent from my Nexus 5 using xda app-developers app
Click to expand...
Click to collapse
I seem to drain more battery listening to music with speakers over headphones but its hard to tell and probably negligible, as you say.
Ober/Hydra said:
Yeah, you really don't need to do all that to save battery. Just don't turn on data until you need it and you'll get a week of standby on a single charge with this phone, and a full day of usage (or more depending on how much you use it).
Click to expand...
Click to collapse
Not sure if serious or not. That functionality is enabled on the phone by default and you'll see many people struggling to get over 3 hours SoT like that.
There are even reviews which seem to think topping 3 hours SoT is some kind of miracle. Most will answer that by saying: "you need root and flash x ROM with y kernel".
Sent from my Nexus 5 using Tapatalk

Oops

bblzd said:
I put together a list of things that helped me get 7 hours SoT on a charge (Wifi). No root access or modifications needed for these.
Llama, Tasker, etc: Automate everything you can to save battery. It can be more efficient to run a line of code then to tap the screen.
Force stop all the programs you don't really need running in the background in Settings > Apps > Running. Basically act like your own Greenify. Or use Greenify.
Wakelocks: Track the "Awake Time" of suspicious applications and services and either reboot or force stop them if necessary.
Disable Google applications you don't need. Myself I disabled Chrome, Gmail and News & Weather.
Disable: touch and typing vibration. I have type sounds On and touch sounds Off because those really add up on speaker.
Disable: NFC, Bluetooth, Wireless printing etc. Automate to run only when needed for no lost functionality.
Wifi: Automate to turn on only for Wifi zones of your choice. No lost functionality. Wifi always scanning: Off.
Notifications: Apps and games can send you unnecessary notifications. Disable them. Enable only what you need.
Hotword detection: off. This specifically drains SoT and saves only a single screen tap.
Widgets: These drain battery without ever showing up individually on the stats page. Silent killers.
Lux: Another silent killer even when set "On Wake only" and "Slow". Just by disabling Lux lite and a once-daily updated Feedly widget I noticed significant SoT gains. Using Llama to automate brightness is more efficient.
Speaker vs Headphones: The speaker seems to use more battery.
This is my first Android device and I wanted to share some of the things I've learned mostly reading these forums. It also annoys me to read users complain about their battery life but are unwilling to do anything about it. I hope this will help people to realize the full potential of their phone.
Click to expand...
Click to collapse
I suspected Lux was using battery but the actual app use is showing up as very very minimal. Less than 1%.
Its far too convenient! Does llama have the same exact function built in?

Don't forget to disable location reporting in Google Apps.
Sent from my Nexus 5 using Tapatalk

You also forgot to keep the phone off.
Sent from my Nexus 5 using Tapatalk

Ulver said:
You also forgot to keep the phone off.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
If you actually read the post you would realize there is no lost functionality.
Sent from my Nexus 5 using Tapatalk

7hr sot? No way...

bleuwave said:
7hr sot? No way...
Click to expand...
Click to collapse
The link is in the post, my good fellow.

Man I wish I could just stare at a 5 inch screen for 7 hours a day.
Not.
Sent from my Nexus 5 using XDA Premium 4 mobile app

I must admit that using lux from within llama allows me to refresh brightness on screen rotation too which is not bad at all at least.
Inviato dal mio Nexus 5 utilizzando Tapatalk

WATERYEW said:
Man I wish I could just stare at a 5 inch screen for 7 hours a day.
Not.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Gotta agree. The vast majority of users charge overnight and with my own setup - currently on stock rom and stock kernel (though I'm currently bouncing between that and Franco to see which I prefer) with pretty much everything always on (NFC, WiFi, data, location access, though I disable notifications from the likes of Facebook, Twitter, etc. just because I'm not that invested in social networks that I'd want constant updates) I can get 3+ hours SOT - which I'd assume is more than enough for most people. Greenify is to thank for most of my battery savings.
But don't get me wrong - for those who do need more SOT than that, the OP is fantastic advice, and I'll be coming back to this thread when I'm on holiday etc. and won't be able to charge every night.

great tips
kuddos to the OP
very helpful tips...hotword detection remains off for me most the time
as i work in a noisy environment and hardly make use of it unless im relaxed in office/ home

FuMMoD said:
Don't forget to disable location reporting in Google Apps.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Agreed :good:

Done most of those, still getting only around 3.5 hours SOT

bblzd said:
If you actually read the post you would realize there is no lost functionality.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
don't mind the haters. they're just mad that they only get 3 hours of screen on time and 10% battery drain per hour when deep sleeping
they would rather complain than take control of their device and if you dont use your own phone exactly like they use their phone, then they call foul and tell you that your results don't matter. they say the same thing to people that use their device like an ipod touch(by putting it in airplane mode).
haters will always hate

outofthisworld said:
I suspected Lux was using battery but the actual app use is showing up as very very minimal. Less than 1%.
Its far too convenient! Does llama have the same exact function built in?
Click to expand...
Click to collapse
I think it's just really hard to get good auto brightness on this phone right now due to the sensor. Using Lux Lite didn't help me very much since I was bouncing between very low and extremely high brightness but I imagine the full version could be more useful.
Llama is an extremely light weight application and uses only 6MB of RAM, the lowest of any service I've seen. I think it could add to Android System drain but using Cell Tower locations and properly set up conditions I don't think it will by much.
Thanks for the supportive comments. I really just want to help and have no hidden agenda here. We've known for months now that the N5 can get 8.9 hours SoT web browsing on WiFi and 6.9 hours web browsing on LTE. Of course Anandtech used perfect, non-root conditions with airplane mode On, Gnow off and zero apps or widgets; something that even I am unwilling to put up with. We can still strive to get as close to those numbers as possible.
Two apps that can help you monitor your battery and phone with no root requirement:
Play Store Link.
Current Widget - Set to update manually on your home screen for minimal power draw. Check your charge and discharge rates along with battery temperature.
Play Store Link.
S Tools+ - This just popped up in the XDA apps section the other day. Detailed information on CPU states, Deep Sleep time and ALL your sensors, nicely graphed and very polished including transparent nav bar. Other than real time graphing of sensors this shouldn't be much of a drain.

Generally speaking SOT depends on what you are doing.
I've been down this road and can get SOT times on any phone pushing 5 hours.
To say no loss of functionality is wrong. You state to kill half the apps that I use so that is a LOF to me.
The secret, well not really, is the brightness and network reception.
Turning down the brightness and getting max signal/bandwidth will affect the battery more than turning off apps. Remember the rule of thumb the longer the phone has to stay on for a wakelock the more the battery drains and that is SOT and sleep. What I mean is you'll drain your battery faster connected to a dialup internet connection than fiber at 1gig.... It's all about bandwidth and high signal strength and screen brightness.
Not hating just saying that no one person can say this will give you X number of hours of SOT when everyone's signal/bandwidth environment is different.

Screen Brightness kills battery more than you'd think

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

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

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

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

Lux could help

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

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

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

Greeny can also help but may need root

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

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

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

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

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

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

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

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

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

Delete it pls.

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

T700 Tab S Standby Time!

My Tablet lasts 2 days before its totally dead with ZERO USE!
Updated to 5.0.2 as i hoped this would fix it. No change
Lost 10% battery while in power saver mode in a few hours!
Lags all over the place when scrolling, the play store is horrible when scrolling apps.
Right now my S6 has better standby on 4G and more life in use than my tablet has with no use!
Any ideas?

Can't speak for Lollipop, since staying with 4.4.2 and disabled auto updates. I only lose 2% in ten hours and the best Android tablet I have owned- especially in regards to low sleep bleed.

clearly something is not right have you factory reset it? That would be the first thing to make sure no apps are doing anything weird.

I flashed a whole new OS... should i wipe it?

You need to install a wake-lock checker, it will show how much time your tablet is actually in deep sleep mode, which uses the least amount of power, mine shows 97% time in deep sleep.
Some application can keep you tablet from going to sleep, alarm clock and sync can also, and apps/software you downloaded.
Do you get still get major battery drain after a reset, dont install any software/apps and the charge to 100% and then leve it for a few hours and then check how much power you have lost.
John.

Over an 8 hour period (avg) with wifi on, my screen brightness set to 10-20 range (that is the brightness I prefer on my tab s), and with greenify I lose maybe 1-2% battery. You definitely have some program or service constantly running or waking up your tablet, and due to the interactive governor that samsung uses your tablet wakes up at 1.9GHz each time to be more responsive/save battery by handling what ever is needed as fast as possible so it can sleep again. Unfortunatly if some app keeps going "hey, hey, I am here, I need you tablet, hey, hey, ect........." that battery saving governor will murder your battery.

So i wiped and its still 48 hour batter!

Battery %bleed
Losing around 30% battery over night idle.
*wifi & sync on...
-Ahmed-

Do you need to have your wifi and sync on for business or something, if not turn them off, of use an app to to mange them like the free juice defender ect.
Just install it, make sure it is enabled and then make sure the icon is on your taskbar so it has not been killed, and them forget about it for a week and see how it goes.
https://play.google.com/store/apps/details?id=com.latedroid.juicedefender&hl=en
John.
geminiahmed said:
Losing around 30% battery over night idle.
*wifi & sync on...
-Ahmed-
Click to expand...
Click to collapse

for some reason on this tablet, wifi murders battery in standby. if you turn it off it lasts much better... but this tablet and this tablet only, leaving wifi on kills it horribly. but problem is, when you wake it for teh first time in hours and wifi activates, all of a sudden everything syncs and it's so damn laggy those first few minutes of use. it sucks. only this tablet. never had this issue with my nexus 7. that thing gave me 7 days stand-by time.
Sent from my Samsung Galaxy Note 4 using Tapatalk.

Try putting your tablet in airplane more overnight and see how much power it consumes. I lose 3% over 8 hours when I put it on airplane mode and disable wifi.

Im sorry but this is BS.
Its clearly faulty. its going to samsung. i demand a refund.

How much power wifi uses depends on the distance to the router and how much interference it has to try and break though to get a good connection which means using more power, that is why wifi uses more battery power on some peoples tablets than others do.
John.

disregard.. just realized my screen shots were messed up. I'll post my standby time tomorrow.

Here is a very simple stock no root mini guide to getting 1-5% loss over an 8-10 hour period while sleeping or at least while the tablet is asleep.
1. Install greenify even if you are not rooted and even if you do that have the donor package there are many many apps that do not like to sleep, greenify will fix that for you.
2. Unless you are a Doctor, CEO, or someone whose very life hangs on getting the latest cute cat post while you are asleep try to adjust your sync times from under an hour to as high as you can. (If you are turning off wifi then it might still matter if the app wakes up your device just to see it can't sync)
3. Samsung has given you a very nice QHD screen. It is high resolution, Amoled, and other nice rhings but while you sleep you can not see it so turn the brightness down before you touch the power button to 5-15. If you wake up in a dark room and need to use your tablet that level of brightness is far kinder to your eyes and even kinder to your battery.
Just doing this generally kept my battery usage down to only 2-4% per night, of course then I rooted my tablet and installed TW detox 3.0 and now it is closer to 1-2% per night. Try any or all of these and I hope it works out.

acdbrn2000 said:
Here is a very simple stock no root mini guide to getting 1-5% loss over an 8-10 hour period while sleeping or at least while the tablet is asleep.
1. Install greenify even if you are not rooted and even if you do that have the donor package there are many many apps that do not like to sleep, greenify will fix that for you.
2. Unless you are a Doctor, CEO, or someone whose very life hangs on getting the latest cute cat post while you are asleep try to adjust your sync times from under an hour to as high as you can. (If you are turning off wifi then it might still matter if the app wakes up your device just to see it can't sync)
3. Samsung has given you a very nice QHD screen. It is high resolution, Amoled, and other nice rhings but while you sleep you can not see it so turn the brightness down before you touch the power button to 5-15. If you wake up in a dark room and need to use your tablet that level of brightness is far kinder to your eyes and even kinder to your battery.
Just doing this generally kept my battery usage down to only 2-4% per night, of course then I rooted my tablet and installed TW detox 3.0 and now it is closer to 1-2% per night. Try any or all of these and I hope it works out.
Click to expand...
Click to collapse
losing 48% per day... screen brightness wont help will it when screen is off all day

Screen brightness is for those times that an app wakes up the tablet and turns on the screen to tell you something (new email, facebook wall post, new cat video, ect....) and yes it helps.
If you are losing 48% a day then you have some app doing something that is keeping your tablet awake for a good portion of the day. Or you have a defective battery/tablet. I can surf the web for a good portion of the day and maybe lose 48%.

irzero said:
losing 48% per day... screen brightness wont help will it when screen is off all day
Click to expand...
Click to collapse
Are you rooted. It's sounds like you have some wakelocks? If rooted you should use greenify and a wakelock alarm to fix the problem.

i'm curious to see what apps and how many you have installed. Can you post screen shots of your app drawer?

acdbrn2000 said:
Screen brightness is for those times that an app wakes up the tablet and turns on the screen to tell you something (new email, facebook wall post, new cat video, ect....) and yes it helps.
If you are losing 48% a day then you have some app doing something that is keeping your tablet awake for a good portion of the day. Or you have a defective battery/tablet. I can surf the web for a good portion of the day and maybe lose 48%.
Click to expand...
Click to collapse
what email apps and cat video watching apps are you using that turn the screen on? no app that I have EVER turns my screen on at all. the only app that does that is on my phone, and it's from textra, an sms app that isn't on my tablet.
Sent from my Samsung Galaxy Note 4 using Tapatalk.

WARNING: Latest Update (9/10/2015 G920TUVU2DOH6) Kills battery life!

I downloaded the tmobile update that got pushed out the other day and have noticed a significant drop in battery life.
A few people here have reported seeing an increase in available ram, I have not seen that change on my device.
I was previously on OH8 (Stock and unrooted) and would get 24-27 hours on a full charge, with 3-4 hours screen on time with the following optimizations:
-debloater used to disable as many things as possible without breaking features such as picture gallery, contact logs, etc
-disabled as many services as possible in app manager
-Android assistant used to kill-on-startup all non-essential apps that i use but dont need running all the time
-tasker used to shut wifi off when not at home/work
-tasker to turn synch on 2 minutes an hour to update emails instead of always on
-greenify to hibernate as many things as i can (non root)
-bluetooth always off
-dark/mostly black backgrounds
-automatic screen adjustment
-wifi calling + VoLTE disabled
for the update i re-enabled all items disabled with debloater just to try out all the functions, and re-enabled a few (2-3) things in app manager, today my usage at work was VERY minimal compared to a normal day, i would say I used it maybe a 4th as much as I normally do.
I highly doubt undoing debloater made such a significant change to my battery life, but will re-disable everything tonight and report back with results. for the record as of this writing I'm at 19% and it's just been sitting idle in my pocket since the attatched SS was taken
I believe the issue is detectable with the previously mentioned "check cell standby" method. go to battery > battery usage, click on cell standby, take note of total connection time, go back to battery usage and click refresh in the upper right, then go back into cell standby and see if total connection time has increased.
I have wifi calling and VoLTE disabled since learning of the battery drain issue this phones had and it solved the issue (cell standby time would not steadily increase), but after this update it has started increasing even with both items disabled
Also, this will be a good time to mention something I've stated in another thread:
My friend got a S6 (hes with ATT) and weve compared battery lifes at work, By the end of work I was in the 30's and he was in the 50's, I just browse the web lightly while he listens to youtube via his bluetooth headset almost non stop (screen on + bluetooth + data/wifi streaming), The next day he txts me at 2pm "19% left", i had charged that night and was already down to 75%
long story short: he gets up to 50% longer battery life than me on any given day (as I said, I can get around 24-27 hours w/ 4hrs SOT with all the above battery optimizations, he only has a few items disabled in app manager) so there is a significant battery issue with Tmobile's S6.

Hey is cell standby normal to be that high or is it a bug?mine does the same thing
Sent from my SM-G920T using XDA Premium 4 mobile app

tcuwolf said:
Hey is cell standby normal to be that high or is it a bug?mine does the same thing
Sent from my SM-G920T using XDA Premium 4 mobile app
Click to expand...
Click to collapse
cell standby should not steadily increase and should not be that high, no.
follow my instructions in OP, if total connection time is increasing you are effected by the issue these phones have. If youre on OH8 or lower you can shut off wifi calling and VoLTE to resolve the issue, if you are on the latest update that came out yesterday, I have no idea how to fix it yet.

18 hours unplugged with 21% left. So far it seems decent.
Sent from my SM-G920T using XDA Free mobile app

NYLUVBUG said:
18 hours unplugged with 21% left. So far it seems decent.
Sent from my SM-G920T using XDA Free mobile app
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Did you download the 9/10 (OH6) update? does cell standby's "total connection time" increase continuously for you with and without wifi calling and VoLTE on?

Check under advanced WiFi settings if the scanning always available option got toggled on after the update.
Mine did and it was causing quite a bit of drain

in my case, latest OTA infact improves the battery life. After OTA, i have rebooted in recovery , and cleared the cache. wifi calling and VoLTE is disabled as before.

update: re-enabling and again disabling wifi calling and VoLTE stopped "cell standby" increasing, the update must just bug it out. However I'm still seeing worse battery life than pre update.
From the battery discussion thread:
aff219 said:
New update: i discovered by enabling and re-disabling wifi calling and VoLTE "cell standby" quit increasing. For some reason the update must have bugged it but that resolved the issue.
I however am still experiencing worse battery life than before the update. 1 hr left at work and ive barely used my phone at all today, 36% left, it's been 8 hours off the charger. Normally id expect to be around 40-65% right now with how little ive used it. (depending on what combination of disabled stuff im trying)
Further more my friend with an att s6 charged his phone saturday n had it off charge since. Didnt use it all weekend until today at work with 20 min charge in car.... Been on bluetooth headset n listening to music/youtube all day. Hes currently at 39%
every day that i compare battery life with him pisses me off more and more. He's probably getting 2x as much battery life as me, without any tweaks or anything. just pure stock.
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http://forum.xda-developers.com/tmobile-galaxy-s6/general/discuss-battery-problem-t3071622/page32

I had the update since yesterday and so far battery life seems better but gonna test it out for a week and see how it goes. RAM management is about the same however apps don't lag that much anymore. After the update Cell Standby started to affect battery again but enabling and then disabling WIFI calling and VoLTE cleared the problem.
Sent from my SM-T530NU using XDA Free mobile app

The new update including radios sucks. Much worse battery drain. I also get cell standby bug now showing in stats.

fix-this! said:
The new update including radios sucks. Much worse battery drain. I also get cell standby bug now showing in stats.
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Do what nelson and i said, re enable and disable wifi calling and VoLTE and the cell standby issue should fix, but battery still seems to be worse for me regardless

My phone has been getting pretty hot I did a factory reset last night and only disabled wifi calling I forgot about volte I'll turn it off and see if it helps
Sent from my SM-G920T using XDA Premium 4 mobile app

5.1.1 with wifi calling off and volte on forgot to turn it off
Sent from my SM-G920T using XDA Premium 4 mobile app

5.1.1 wifi calling off volte on
Sent from my SM-G920T using XDA Premium 4 mobile app

This is my first time looking at battery since the latest stock update rolled out.
so I havent looked at my battery life since Friday (5 days ago) and this morning I check my phone and the battery is at 94% (charged all day yesterday, was off charger overnight), reported 8.5 hours off charger, that's less than.5% per hour - by far the best battery idle I've seen yet. ( I think prior to this my best has been like 4% an hour)
even more shocking, when going to battery usage it claims that I still have - this blows my mind - 33 hours and some change left before my battery dies!?
Prior to this, my BEST was like 21 hours quoted, with a norm of 13-18.
I have barely used my phone the last 5 days so the usage statistic is scewed a bit, but thats still higher than anything it's ever claimed before.
This friday it will receive ample use, I'll report back with what kind of results I get.

Amen, I'm not the only one who noticed. Also see almost all the old lag is back. I'm so disappointed in Samsung, I've held on to this because I really thought it was the best hardware around...they just needed to fix the software. The update previous to Samsung Pay rollout was 90% there in fixing. Now we're back to where we started from. Full disclaimer, this was the straw that broke the camel's back, I ordered the Nexus 6p

man ever since the update, my battery been not lasting as long as it used to. I used to be able to get thru a 10 hour shift with at least like 30% left. used to love the battery cuz it was considerably much better than my N4. now by the end of the shift, its near dead, if not dead. Another S6 in the family is even worse... its at home all the time on wifi and the battery drains like 10% an hour if not more.

General Battery life and optimization

During intensive initial days I get 4-5 SOT and 12h use time. This is with mid heavy usage.
My battery starts today attached:
- over 7h music streaming partially on Chromecast partially bt
- over 1h YouTube (45min in browser)
- 40min Teams video call
- over 30min photos and videos in two camera apps
- 1h of Opera browsing
- Gmail, messenger, maps and all other apps in constant synchronization
- last.fm and pebble running in background
From the list you can clearly see that the only stand behavior is connected to AOD which was over 1%/h so I have disabled it.

Hello
As I understand in my daily use, mixed WiFi - 4g, you can reach 5h.30min ost. Maybe is necessary some adjustments on 4g/5g modem, it sucks a little bit of battery WiFi is the best, the graph is linear.
Attached my mixed 4g/WiFi experience, during today. I forgot kill YouTube, I did 2hr screen total. As you can see in WiFi the graph is linear (untill the middle), while on 4g (2nd half), the curve began to drop more steeply.

Starting to learn how to use this phone.

No complains at all. Can't kill the battery in one day. Most of the screen time is at evenings at lower brightness but I do work so it's my natural usage.

After disabling always on screen, 5G, Google tracking and backup I easily get over 6h SOT and less than 40% battery drain during 24h.
Battery is very good and there's no doubt about it.

I get about 3.5h SOT for 80% battery, no 5g, no AOS, dynamic mode, screen 90hz, no gaming, no apps with heavy drain

I lost 3% over 9 hours last night while the phone was on my bedside table,this was the first night,i think the phone is deep sleeping properly?i have restricted quite alot of apps from running in background
Screenshot_20210609-123443716.jpg
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7.5+ hours of SOT is possible. Here I reach 7 hours and 13 minutes of SOT from 90% to 8%. Ultra durable mode, no 5G, no mobile data always active in developer options, all WiFi, and Facebook services disabled. Brightness is set to auto.

To those who's looking for compact phone, superb performance, 120hz display, great speaker, and good battery life, go on with Zenfone 8. Here's my SOT on my Zenfone 8 with force 90hz enabled. Cheers

It looks like the last update improves the battery life quite a bit. Only free hours so no hard claims but the impression is heavy.

Kemez said:
It looks like the last update improves the battery life quite a bit. Only free hours so no hard claims but the impression is heavy.
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Can you specified which “last update” you talking about?

aikattx said:
Can you specified which “last update” you talking about?
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The one I got today: 30.11.51.67
I have updated the phone at 70% and got brilliant times afterwards. Over 5:15h SOT and 15h since charged with 20% still left.

Kemez said:
The one I got today: 30.11.51.67
I have updated the phone at 70% and got brilliant times afterwards. Over 5:15h SOT and 15h since charged with 20% still left.
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I can confirm this. Updated to the latest firmware and boom battery was improved !

aikattx said:
I can confirm this. Updated to the latest firmware and boom battery was improved !
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Could you please tell me how is the standby drain? Is it more than 1%/h during the night sleep?

avatar_ro said:
Could you please tell me how is the standby drain? Is it more than 1%/h during the night sleep?
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I get between 1,3 - 1,8 percent during night in deep sleep. Confirmed by AccuBattery.

Kemez said:
I get between 1,3 - 1,8 percent during night in deep sleep. Confirmed by AccuBattery.
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thank you for the reply, but could you be more specific? the drain you mentioned is per hour or per entire night?

It's per hour.
You can get probably less when switching off connection of data. I am leaving the phone fully ready as I have used it during the day - just put in ultra durable mode.

Jusr for info, after watching a teardown video I realized he battery is actually 3835mah not 4000 !