Android system & OS battery drain FIX! - Samsung Galaxy S7 Edge Questions and Answers

So, i used to have very high android os and system battery drain (android system 22%-25% android OS 20%-25%). After installing amplify, greenify and smart switch, this problem has totally dissapeared! Android system is at 10%-14% and android os is at 5%-7%! If you have any questions feel free to quote me and i will answer with all my knowledge.
IF this helped you please press the thanks button!

These are all Xposed modules.

It's just an illusion.

Not rooted, so no Xposed modules. Sprint version PH7 (September update).
Today, with 69% of battery left (light usage today) Android System at 10%, Android OS at 5%.
A couple of days ago, with 25% of battery left after 15 hours on battery and 2 hrs 45 minutes SOT Android System was at 14%, Android OS at 6%.

So, does anyone knows what is the cause of this? I mean, what triggers it? I bought my S7 edge last Friday, it was working fine until 2 days ago, suddenly it was hot and starting to drain battery, I realized Samsung Cloud was the culprit, I stopped it and deactivated the sync functionality but since then the problem persists (Android system drain)

Cst79 said:
It's just an illusion.
Click to expand...
Click to collapse
In ur dreams

luismedina said:
So, does anyone knows what is the cause of this? I mean, what triggers it? I bought my S7 edge last Friday, it was working fine until 2 days ago, suddenly it was hot and starting to drain battery, I realized Samsung Cloud was the culprit, I stopped it and deactivated the sync functionality but since then the problem persists (Android system drain)
Click to expand...
Click to collapse
Disable everything that has the word facebook on it

meyerweb said:
Not rooted, so no Xposed modules. Sprint version PH7 (September update).
Today, with 69% of battery left (light usage today) Android System at 10%, Android OS at 5%.
A couple of days ago, with 25% of battery left after 15 hours on battery and 2 hrs 45 minutes SOT Android System was at 14%, Android OS at 6%.
Click to expand...
Click to collapse
I get 8+ hours SOT with semi heavy usage. And 5-6 or more on very very heavy usage

That's nice. I may well have my screen brighter than yours, but even that's not the point. You're crediting all those exposed modules with your low usage for Android System and OS. My usage for those is as low as yours without rooting, without Xposed, without screwing with how the OS works.
The point is you don't need to root and use Xposed in order to have low Android battery consumption.

*ignore

masaforce said:
Disable everything that has the word facebook on it
Click to expand...
Click to collapse
Are you sure this is the cause for Android system high battery usage?

try to uninstall facebook and only use fb from your faiv. browser and see the difference .. it might work

luismedina said:
Are you sure this is the cause for Android system high battery usage?
Click to expand...
Click to collapse
If u dont have task killers running 24/7 around four "facebook" apps run on ur phone every second

meyerweb said:
That's nice. I may well have my screen brighter than yours, but even that's not the point. You're crediting all those exposed modules with your low usage for Android System and OS. My usage for those is as low as yours without rooting, without Xposed, without screwing with how the OS works.
The point is you don't need to root and use Xposed in order to have low Android battery consumption.
Click to expand...
Click to collapse
Yeh kden

Related

4.4.2 battery life is terrible

Has anyone else noticed a decrease in battery life since the 4.4.2 patch?
At first it seemed comparable to 4.3 battery life: 6-7 hours of screen time with Chrome:The Battery Hog. It also didn't discharge AT ALL when idle. Maybe 1% overmight or so. That is with most programs set to sync hourly and wifi off when screen is off.
However, I've let it fully discharge one time from 100% to 0% battery. It turned off and i immediately put it on the charger. I cant remember if it was since then or a few charging cycles later (100%-15% ), but now it uses a lot when idling: around 5% per hour or so. Screen on time is also terrible. See screenshots for details.
Can you guys share your thoughts on this matter?
More than likely it is your Google Play Services that are killing your device. This issue has been occurring ever since 4.4.x
Is that fixable or do i have to wait for a new update?
Also, I remember that the battery drain started when i connected to a friends phone to tether via his phone over wifi. Does that have to do anything with it?
I cleared data on Google play services, and put my location settings to battery saving. The GPS on all the time drains the battery. With moderate use, I'll last about 10 hours.
Sent from my Nexus 7
Arthedes said:
Is that fixable or do i have to wait for a new update?
Also, I remember that the battery drain started when i connected to a friends phone to tether via his phone over wifi. Does that have to do anything with it?
Click to expand...
Click to collapse
You could use an application called Disable Service but it requires root access.
My video playback battery life have dropped significantly since I updated to from 4.3 to Kitkat
details can be found here
The following are using MX Player Pro, H/W+ Hardware acceleration, 720p videos( in 16:10 aspect ratio to fill the full screen). I seen no visible change between 4.4/4.4.1/4.4.2 AOSP in battery life.
Android 4.3(AOSP), Full brightness(15/15 or 583 nits), 6 hour 6 min for 86% or 14.1% per hour
Android 4.4(AOSP), Full brightness(15/15 or 583 nits), 5 hour 15 min for 86% or 16.4% per hour
Android 4.4.2 (DJLKang 4.4.2+ElementalX 2.5), Full brightness(15/15 or 583 nits), 5 hour 30 min for 86% or 15.6% per hour
Android 4.3, 2/3 brightness (10/15 or 389 nits), 8 hour 5 min for 86% or 10.6% per hour
Android 4.4.2, 2/3 brightness (10/15 or 389 nits), 7 hour 20 min for 86% or 11.7% per hour
Android 4.3, 1/3 brightness (5/15 or 194 nits),10 hour 41 min for 86% or 8.06% per hour
Android 4.4.2, 1/3 brightness (5/15 or 194 nits),10 hour 13 min for 86% or 8.4% per hour
I usually get 5 1/2 hours of on screen time max. Pretty annoying.
Opethsgh747 said:
I usually get 5 1/2 hours of on screen time max. Pretty annoying.
Click to expand...
Click to collapse
That's pretty normal if you are maxing your brightness all the way.
This is the battery time I got while using it for two days. Not bad in my opinion.
Sent from my Nexus 7 2013 4G using XDA App
codemonkey98 said:
That's pretty normal if you are maxing your brightness all the way.
Click to expand...
Click to collapse
I keep my brightness almost all the way down. And I have location services, and always listening turned off.
Okay so ive had another cycle. Now, it drained 10% overnight. The screen on time seems okay but ive switched to art with this cycle, and ive seen people get 10+ hours with that.
Im going to try to delete google play services data as you suggested, but it doesnt use as much battery, as you can see in the screenshot.
Android system and Media server seem to use the most energy, though at the time of the screenshot, 80% of my screen on time was whilst using chrome. Also, theres this process called com.android.chrome:sandboxed_process4. What is that? I have googled it, but to no avail. Ive seem multiple imstances, ranging from 0 to 4, in my battery usage list.
Opethsgh747 said:
I keep my brightness almost all the way down. And I have location services, and always listening turned off.
Click to expand...
Click to collapse
Interesting. You're still receiving abnormal drain with your brightness down?
Arthedes said:
Okay so ive had another cycle. Now, it drained 10% overnight. The screen on time seems okay but ive switched to art with this cycle, and ive seen people get 10+ hours with that.
Im going to try to delete google play services data as you suggested, but it doesnt use as much battery, as you can see in the screenshot.
Android system and Media server seem to use the most energy, though at the time of the screenshot, 80% of my screen on time was whilst using chrome. Also, theres this process called com.android.chrome:sandboxed_process4. What is that? I have googled it, but to no avail. Ive seem multiple imstances, ranging from 0 to 4, in my battery usage list.
Click to expand...
Click to collapse
Here's some information on the sandboxed process.
codemonkey98 said:
Interesting. You're still receiving abnormal drain with your brightness down?
Here's some information on the sandboxed process.
Click to expand...
Click to collapse
I've kept my brightness nearly all the way down ever since I've owned this tablet. Anything above halfway gives me a headache.
Opethsgh747 said:
I've kept my brightness nearly all the way down ever since I've owned this tablet. Anything above halfway gives me a headache.
Click to expand...
Click to collapse
Are you rooted on your device? You could use an application called Greenify and manage your processes.
codemonkey98 said:
Interesting. You're still receiving abnormal drain with your brightness down?
Here's some information on the sandboxed process.
Click to expand...
Click to collapse
Thank you for the information, but im no IT specialist. Could you decode the page for me and tell me in short what it does?
These are screenshots with the tablet idling. Ive let it rest for 8 hours straight, and havent opened any apps.
Seems like it drains 5% per 8 hours. Previously, it drained 0-1% overnight (also 8 hours). Seems like there is the problem.
Wifi seems to drain a lot too, even though i have the "Keep wifi on during sleep" setting set to never.
codemonkey98 said:
Are you rooted on your device? You could use an application called Greenify and manage your processes.
Click to expand...
Click to collapse
Yes, I am. Thanks. I will give it a try.
Or install app ops since you're rooted and disable keep awake for all android stuff, especially Google play services and Android system . For some reason Googles devs thinks drainage is less important than whatever they do but fortunately we can adjust their mistakes to our benefit. I get 3 days 10+h SOT. When the Google devs push out an update for something outside of play store "android OS" usually keeps awake until a reboot is made but luckily it doesn't happen too often.
And also, use a superior browser. I recommend Next or Dolphin.
Sent from my Nexus 7 using Tapatalk
Arthedes said:
Thank you for the information, but im no IT specialist. Could you decode the page for me and tell me in short what it does?
Click to expand...
Click to collapse
At my age (15) I do not have much experience in developing/understanding how operating systems work but I'll try to explain it in a way that is understandable:
Android and pretty much any modern operating system has a way of "sandboxing" applications or programs. Basically picture a sandbox with sand in it. The sand cannot escape the sandbox because it is around that box. (This is where we actually get the term 'sandbox')
When Google was designing Android, they basically made an implementation into the system that reduces the frequency and impact of application security issues. With that being said, this was made so you can use the default file systems and such without harming the system itself. If you were modifying the system, you could potentially open your device to a exploit. The sandbox features come into play so it can isolate your application from other applications. If it wasn't like this, any application could execute code to steal data/code from other applications. You can still do this with exploits in the kernel and such, but it isn't as easy as it seems.
You may have heard of the software on Windows called Sandboxie which is designed to to prevent "permanent changes" changes to your system, files, etc. It basically separates the system from the application itself. It is commonly used to test to see if software that you have is infected. In short, this is similar to what Android has.
--
The site I linked you in my other post basically explains how Android creates these processes in a more technical manner. But that link was specifically for Google Chrome, but it can be pretty much used in any other application if needed.
Opethsgh747 said:
Yes, I am. Thanks. I will give it a try.
Click to expand...
Click to collapse
Let me know how it goes.
Arthedes said:
These are screenshots with the tablet idling. Ive let it rest for 8 hours straight, and havent opened any apps.
Seems like it drains 5% per 8 hours. Previously, it drained 0-1% overnight (also 8 hours). Seems like there is the problem.
Wifi seems to drain a lot too, even though i have the "Keep wifi on during sleep" setting set to never.
Click to expand...
Click to collapse
I would suggest greenify and put everything but the system to sleep and see if that does it for you. If you unlock the bootloader, install TWRP, root and install a custom ROM on your tablet you can use a custom kernel and adjust (in layman's terms) the power your tablet consumes and when. You can remove some of the system apps you may not use and cut back on ROM usage too. Google adds all kinds of apps to the system that will function just fine as user apps.

Normal battery drain over night?

Hi guys,
I have SM-N900 Note 3 and was worried about the battery life.
I factory reset it and only signed in with my Gmail account.
I left it for 7 hours at night, and the battery has drained from 100% to 93%.
Is it normal? I always thought Note has much better battery life and without nothing running in the background it should drain like 1%-2% over night.
what do you think?
(running stock Samsung firmware, 4.4.2. no SD card)
Thanks
If all working well my Note 3 would drain about 2 % overnight, (thats on wifi with BT, GPS on, no power save, no blocking of any type), anything above 5% I usually start looking for the cause. But to be honest with original 4.3 I rarely had to look, since I updated to 4.42 it's all over the place from as high as 20% to as low as 2 % and I can't pinpoint the cause, which drives me insane. ATM it's running about 4-5%, which I'm not too happy about and if it get's any worse I will start deleting everything until I get this phone under control. I have couple chinese tablets, where inside the settings there is a menu where you can stop programs from start at the boot up time, I search everywhere and I can't find anything like that on the Note, but since I'm rooted I can freeze or delete stuff, maybe not the best solution but it works.
pete4k said:
If all working well my Note 3 would drain about 2 % overnight, (thats on wifi with BT, GPS on, no power save, no blocking of any type), anything above 5% I usually start looking for the cause. But to be honest with original 4.3 I rarely had to look, since I updated to 4.42 it's all over the place from as high as 20% to as low as 2 % and I can't pinpoint the cause, which drives me insane. ATM it's running about 4-5%, which I'm not too happy about and if it get's any worse I will start deleting everything until I get this phone under control. I have couple chinese tablets, where inside the settings there is a menu where you can stop programs from start at the boot up time, I search everywhere and I can't find anything like that on the Note, but since I'm rooted I can freeze or delete stuff, maybe not the best solution but it works.
Click to expand...
Click to collapse
thanks for sharing!
woah, so many crossed data about your %.
and yeah - since you're rooted, you can install Xposed and install BootManager module, so you can see which apps are running from the boot.
TopTomy said:
thanks for sharing!
woah, so many crossed data about your %.
and yeah - since you're rooted, you can install Xposed and install BootManager module, so you can see which apps are running from the boot.
Click to expand...
Click to collapse
greenfiy is the best software for us
http://forum.xda-developers.com/showthread.php?t=2155737
2% overnight - 7 hours - for me. Data on, no sync at all, weather widget update every 30 minutes, KK, Faux kernel.
0% - If I turn on Powersave when Screen Off in Performance Profile(Xposed Module). It is amazing with of course a slight delay when turning it on. [Around 8hrs]
1-2% - Depending if my network is stable. Wifi-on. Zooper Widget not greenified. [Around 8hrs]

Got my new 6p two days ago. Seeing ridiculously bad battery.

Have updated until the update notifications stopped coming. Sitting on 6.0.1 with Feb patch. What can I do? I was wondering if this is a problem with stock rom and moving to something like pure nexus would help?
I searched Google (and Xda) and found there are people both affected and not affected by this problem. Any insights would be much appreciated.
Thanks!
Edit: if needed, my SOT right now sits at 2h35m58s with 30% battery left. Have screen listed at top on things using battery most with 8% and it shows 5hrs worth juice left.
akashspeaking said:
Have updated until the update notifications stopped coming. Sitting on 6.0.1 with Feb patch. What can I do? I was wondering if this is a problem with stock rom and moving to something like pure nexus would help?
I searched Google (and Xda) and found there are people both affected and not affected by this problem. Any insights would be much appreciated.
Thanks!
Edit: if needed, my SOT right now sits at 2h35m58s with 30% battery left. Have screen listed at top on things using battery most with 8% and it shows 5hrs worth juice left.
Click to expand...
Click to collapse
The same happened to me - new phone, ran all the patches, and craptastic battery life. A factory reset fixed it.
akashspeaking said:
Have updated until the update notifications stopped coming. Sitting on 6.0.1 with Feb patch. What can I do? I was wondering if this is a problem with stock rom and moving to something like pure nexus would help?
I searched Google (and Xda) and found there are people both affected and not affected by this problem. Any insights would be much appreciated.
Thanks!
Edit: if needed, my SOT right now sits at 2h35m58s with 30% battery left. Have screen listed at top on things using battery most with 8% and it shows 5hrs worth juice left.
Click to expand...
Click to collapse
This says nothing.
What apps to you have installed?
What widgets are running, etc?
Elnrik said:
The same happened to me - new phone, ran all the patches, and craptastic battery life. A factory reset fixed it.
Click to expand...
Click to collapse
Thanks for info! I am planning to swap stock rom for pure nexus today. It will include a full system wipe so here's to hoping. Will report findings in a couple of days.
tech_head said:
This says nothing.
What apps to you have installed?
What widgets are running, etc?
Click to expand...
Click to collapse
No widgets. `Google now` and `google now on tap` turned off. NFC turned off (Wifi, BT on). Listening for `OK google` turned off completely. Screen brightness managed by adaptive brightness.
Apps include the normal google ones that came pre-installed and whatsapp, slack, apple music, pebble time, harvest (timesheet app for work), pocket, sync pro (reddit) and 1password.
I did find out that the device seems to be awake much more than the screen. Seems like a wakelock. I'll have to root the device later today and install wakelock detector to see what's up.
Over 2.5 hours SOT with 30% left isn't the end of the world. People eek 6 hrs out of this phone either with greenify or naptime or they turn all the location and background services off.
I'm at 17% with about 3.25 hrs SOT now on a third party ROM without greenify and everything running in the background. If I get 4hrs+, I'm fine with that. I have chargers everywhere.
farfromovin said:
Over 2.5 hours SOT with 30% left isn't the end of the world. People eek 6 hrs out of this phone either with greenify or naptime or they turn all the location and background services off.
I'm at 17% with about 3.25 hrs SOT now on a third party ROM without greenify and everything running in the background. If I get 4hrs+, I'm fine with that. I have chargers everywhere.
Click to expand...
Click to collapse
Yeah I don't really care about SOTs and stuff. Only put it here because I thought it may help someone think of something that might be wrong. The actual problem is, I am literally seeing battery percentage go down as I use the phone. I browse a few pages on chrome, maybe 15-20 minutes and my battery goes down 6-7%. Neither of my previous phones did that and none of them were known for their good battery life like nexus 6p. That kinda has me concerned.
I'd advice you to charge your battery full (leave it on charger for 30mins after it says that it's full). Then use BetterBatteryStats background while you use your phone normally all the way down to 10%.
Take screenshots from BetterBatteryStats and from battery (from settings).
There are quick toggles for Wifi and Bluetooth, no need to keep them on constantly if they're not needed. Bluetooth is known to drain battery for some users (not me though). Screen brightness is 100% with adaptive brightness? Are you always in a well lit area? I use 50% w/ adaptive. I usually get something between 4.5 to 6 hours of SOT.
Pebble time can be your drainer, I remember ppl complaining about it a while ago.
So I flashed purenexus with elemental x. It probably is better to let it go for a few recharge cycles before commenting but things are already looking very good For anyone looking at this in future, I suggest a minimum of system reset (or flash a new rom if you wanna go all the way).
I'll monitor the battery life over this week.

Battery Drain on Nougat.

Hi there. I just have a quick question. I've updated to Nougat a week ago, and right after updating to Nougat performed a Factory Reset. Now I've noticed that I'm draining through my battery faster than I usually did in Marshmallow. Now, I've already wiped cache partition and performed another factory reset and wipe partition and my battery is still draining like crazy. I lose battery constantly even though I leave it on standby and I lose 15-25% when I leave it when I sleep and data nor wifi is on. Help would be very much appreciated.
I only use Greenify for battery saving apps.
Android Os is draining my battery in standby too i have tried literally everything like location off location history off all kinds of connections off but Android OS just cant stop draining battery in standby for some reason . I am ON VNS-L21C185B360.
Hi Guys, do you still have this problem? In my case after 2-3 weeks battery stabilized and now it's around 15-20% better than on MM, and I'm not using any battery saving plan
EDIT:
To be specific: on MM I had around 4-4.5H of SOT (a lot of LTE, a bit of Wi-FI, mostly Chrome and YT), now I have at least 5h, sometimes 5,5h SOT
You can use a permission manager.
Edit EVERY APP and uncheck "wake up" , "keep awake" and "start at startup"
siwy991 said:
Hi Guys, do you still have this problem? In my case after 2-3 weeks battery stabilized and now it's around 15-20% better than on MM, and I'm not using any battery saving plan
EDIT:
To be specific: on MM I had around 4-4.5H of SOT (a lot of LTE, a bit of Wi-FI, mostly Chrome and YT), now I have at least 5h, sometimes 5,5h SOT
Click to expand...
Click to collapse
SOT isnt the issue. If i keep using the phone constantly i get same SOT as on Marshmallow but the issue is battery drain in standby. Android OS keeps the system awake. There is no rogue app either as Wakelocks are shown to be from Kernel (Androd Os) in every wakelock detector app.
siwy991 said:
Hi Guys, do you still have this problem? In my case after 2-3 weeks battery stabilized and now it's around 15-20% better than on MM, and I'm not using any battery saving plan
EDIT:
To be specific: on MM I had around 4-4.5H of SOT (a lot of LTE, a bit of Wi-FI, mostly Chrome and YT), now I have at least 5h, sometimes 5,5h SOT
Click to expand...
Click to collapse
Hi! Thanks for the input. So on yoyr first few weeks you had roughly 4 hours SOT? But how about your standby time? Does the battery drain even on Standby?
Usama707 said:
SOT isnt the issue. If i keep using the phone constantly i get same SOT as on Marshmallow but the issue is battery drain in standby. Android OS keeps the system awake. There is no rogue app either as Wakelocks are shown to be from Kernel (Androd Os) in every wakelock detector app.
Click to expand...
Click to collapse
Standby time is nuts. On MM I only lose roughly 5% overnight if I leave it. But 25% loss is insane. How's yours?
pochic1996 said:
Standby time is nuts. On MM I only lose roughly 5% overnight if I leave it. But 25% loss is insane. How's yours?
Click to expand...
Click to collapse
I used to lose 2-3% on Marshmallow. Nougat Standby drain has always been a problem for me. I had the same issue on b336 and now same on B360. I sometimes lost 10% sometimes even more than that in 7-8 hours overnight. Btw Turn Auto Brightness off before sleep. It will improve standby time a bit.
Usama707 said:
I used to lose 2-3% on Marshmallow. Nougat Standby drain has always been a problem for me. I had the same issue on b336 and now same on B360. I sometimes lost 10% sometimes even more than that in 7-8 hours overnight. Btw Turn Auto Brightness off before sleep. It will improve standby time a bit.
Click to expand...
Click to collapse
How long have you been on Nougat? I lose no less than 20% over the course of 8 hours and that's on bare minimum: no automatic brightness, no wifi, no data. Tho GPS is on, I don't think that should be the case because marshmallow held charge on standby like a champ (well, at least in comparison to Nougat).
pochic1996 said:
How long have you been on Nougat? I lose no less than 20% over the course of 8 hours and that's on bare minimum: no automatic brightness, no wifi, no data. Tho GPS is on, I don't think that should be the case because marshmallow held charge on standby like a champ (well, at least in comparison to Nougat).
Click to expand...
Click to collapse
I have switched back and forth between nougat and Marshmallow to test different stuff. Now i have installed Nougat Since i guess 3-4 days. U need to turn off google auto backup data from settings. That Should improve things.
Usama707 said:
I have switched back and forth between nougat and Marshmallow to test different stuff. Now i have installed Nougat Since i guess 3-4 days. U need to turn off google auto backup data from settings. That Should improve things.
Click to expand...
Click to collapse
How do I go about doing that? Are you talking about Google Photos or Google itself?
pochic1996 said:
How do I go about doing that? Are you talking about Google Photos or Google itself?
Click to expand...
Click to collapse
Settings/Advanced Settings/Backup and Reset/ Backup My Data.
Usama707 said:
Settings/Advanced Settings/Backup and Reset/ Backup My Data.
Click to expand...
Click to collapse
Awesome. Will be trying that. Do let me know if you figure out a fix for this one. Quick question though, how did you get to Nougat? Official update or did you flash or use firmware finder? I used firmware finder and am currently on B361.
pochic1996 said:
Awesome. Will be trying that. Do let me know if you figure out a fix for this one. Quick question though, how did you get to Nougat? Official update or did you flash or use firmware finder? I used firmware finder and am currently on B361.
Click to expand...
Click to collapse
Its Available in my country as OTA now but previously from Marshmallow i used Chales Method to update which is like firmware finder method just a bit different.
Usama707 said:
Its Available in my country as OTA now but previously from Marshmallow i used Chales Method to update which is like firmware finder method just a bit different.
Click to expand...
Click to collapse
I see. And what's eating up most of your consumption? is it natural to find Android OS and Android System at roughly 15-20%?
pochic1996 said:
I see. And what's eating up most of your consumption? is it natural to find Android OS and Android System at roughly 15-20%?
Click to expand...
Click to collapse
Android OS is draining the battery by keeping system awake and not letting doze work properly.
Usama707 said:
Android OS is draining the battery by keeping system awake and not letting doze work properly.
Click to expand...
Click to collapse
I've been Googling the last few hours how I can fix this. Is this the case with yours as well? Do you know any fixes?
pochic1996 said:
I've been Googling the last few hours how I can fix this. Is this the case with yours as well? Do you know any fixes?
Click to expand...
Click to collapse
I have been googling since January when beta version came out but still i didn't find any fix. I have tried all kind of suggestions but nothing works.
Usama707 said:
I have been googling since January when beta version came out but still i didn't find any fix. I have tried all kind of suggestions but nothing works.
Click to expand...
Click to collapse
Sad. I guess I'll just stick with Greenify's Aggresive Doze while I try to get answers. I'll just figure out a way to enable it. Thanks! Please do let me know in this thread if you get the answers.
Hi, I'd just like to up this thread. Any tips? Unfortunately I've already done a factory reset to no avail. Battery still eats 20% in 5 hours idle. Android OS still eats 30% of the consumption.

Battery Drain on galaxy s8

I have now had my galaxy s8 for over a year and i have noticed my battery life hasnt always been that great.
I have noticed that over a total day i only get 2-3 hours screen on time.
For an example when i go with the bus home for 25 min my battery often drains over 10% without even using the screen for 25 minutes.
Once i installed another rom called lightrom or something over the renovate ice rom and it got much better the first day but second day when i got more apps on it begun to be bad again.
I then went back to renovate ice rom and i was back to bad battery life again when i installed all my apps.
BUT in this case i have an app called greenify and i greenify all my apps in the background but i still have a massive standby drain
I have never found out what has caused my problem but for sure it cant last a whole day
I have this thought that it can be weak signal but i have disabled the option "Keep mobile data turned on" and followed multiple tutorials of how to make battery life better
AOD off, Location off, Wifi off, bluetooth on ( for gear s3), nfc off,
So i only use bluetooth and mobile data.
I apreciate all help
fojumdk said:
I have now had my galaxy s8 for over a year and i have noticed my battery life hasnt always been that great.
I have noticed that over a total day i only get 2-3 hours screen on time.
For an example when i go with the bus home for 25 min my battery often drains over 10% without even using the screen for 25 minutes.
Once i installed another rom called lightrom or something over the renovate ice rom and it got much better the first day but second day when i got more apps on it begun to be bad again.
I then went back to renovate ice rom and i was back to bad battery life again when i installed all my apps.
BUT in this case i have an app called greenify and i greenify all my apps in the background but i still have a massive standby drain
I have never found out what has caused my problem but for sure it cant last a whole day
I have this thought that it can be weak signal but i have disabled the option "Keep mobile data turned on" and followed multiple tutorials of how to make battery life better
AOD off, Location off, Wifi off, bluetooth on ( for gear s3), nfc off,
So i only use bluetooth and mobile data.
I apreciate all help
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Since the problem starts when you install your apps, I would start with checking which apps are the culprit. Apps like snapchat and Facebook are notoriously known for unreasonable high battery drain in standby.
se1988 said:
Since the problem starts when you install your apps, I would start with checking which apps are the culprit. Apps like snapchat and Facebook are notoriously known for unreasonable high battery drain in standby.
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Personally I have auto sync off, no battery saver, amplify, and display set to WQHD but I also use dark themes via substratum and my average battery life is roughly about 8 hours SOT
Edit: Sorry meant to quote OP
se1988 said:
Since the problem starts when you install your apps, I would start with checking which apps are the culprit. Apps like snapchat and Facebook are notoriously known for unreasonable high battery drain in standby.
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I have deleted Facebook a couple of weeks ago and that made no huge difference. Though I think snapchat may be the one. But I often have it hibernated

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