Samsung S7 Edge battery drain issue (Oreo 8.0) - Samsung Galaxy S7 Edge Questions and Answers

Hello guys, I have an annoying battery drain issue on my Galaxy S7 Edge. I searched the forum, installed many custom roms, the battery life improved so much but then I realized the issue with degarded camera quality on custom roms (Floyd Q Rom). I flashed back the official stock rom to my device.
I also use Sony Xperia XZ2, which has the greatest battery life I have ever experienced on any android device.
Is there anyway I can solve this issue, I am on flight mode all the time just to preserve the battery level and connect to internet for a few minutes to check emails only. Kindly refer to the attached image (screenshot) and help me out. Thanks in advance.
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Use an app like Wakelock Detector to know which apps are sucking the battery since boot.

sharifm47 said:
Hello guys, I have an annoying battery drain issue on my Galaxy S7 Edge. I searched the forum, installed many custom roms, the battery life improved so much but then I realized the issue with degarded camera quality on custom roms (Floyd Q Rom). I flashed back the official stock rom to my device.
I also use Sony Xperia XZ2, which has the greatest battery life I have ever experienced on any android device.
Is there anyway I can solve this issue, I am on flight mode all the time just to preserve the battery level and connect to internet for a few minutes to check emails only. Kindly refer to the attached image (screenshot) and help me out. Thanks in advance.
View attachment 5427571
Click to expand...
Click to collapse
Use Greenify whatever they tell you. Give it a try. It has helped me a lot.

dedq said:
Use Greenify whatever they tell you. Give it a try. It has helped me a lot.
Click to expand...
Click to collapse
IMO worthwile to read:
Do You Still Need Greenify on Android? An Evolution of Battery Management
Should you still use apps that hibernate background processes on Android? Let's look at how this has changed over time.
www.makeuseof.com

jwoegerbauer said:
IMO worthwile to read:
Do You Still Need Greenify on Android? An Evolution of Battery Management
Should you still use apps that hibernate background processes on Android? Let's look at how this has changed over time.
www.makeuseof.com
Click to expand...
Click to collapse
Works for me in practice. Don't know what others say.

Related

Battery life on MIUI - Post your experience

I am getting about 3 - 4 days of average usage out of a 100 % charge, running MIUI 1.8.19. I will continue to update this thread with confirmed findings of MIUI users posted here. Other than that, happy flashing!
People experiencing battery drain issues please post the following:
Your running kernel ([email protected] if you didn't flash anything on top)
CPU spy screenshot of a drain (from 100 % to like 20%, you can get CPU spy from market)
Screenshot of stats from the battery monitor in settings
Did you perform a battery recalibration after flash? (Charging the phone to 100 % in off mode, then boot)
My recommendations on increasing battery life:
Keep data on off whenever you don't use it. WiFi does not seem to have battery drain issues, use that instead if you are at home.
Disable albumart and lyrics download in music player, when you dont use it.
The media server can go crazy on battery drain - Even if you don't listen that much to music.
Use another launcher than the standard one. Sometimes in rare occations (happened for me twice though) the launcher keeps the phone out of deep sleep. I have had good results with Go Launcher.
Did you perform a battery recalibration after flash? (Charging the phone to 100 % in off mode, then boot)
Click to expand...
Click to collapse
Easy Alternative,
Download Battery Calibration from the market (Free) and install
Do a continuous charge the phone from AC charger recommended instead PC USB to 100% while its on
Follow instruction of the application and rate it well before uninstalling (the app creator made our life easy for free)
Battery Calibration
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Cheers
is there any method to avoid the battery drain with data on?
my kernel i s neo 17
im on miui galnet Chamaleon RC1
THNX
mcyorian said:
is there any method to avoid the battery drain with data on?
my kernel i s neo 17
im on miui galnet Chamaleon RC1
THNX
Click to expand...
Click to collapse
You are in the wrong forum, this is the SGSII forum.
But to help you anyway: Using 2G instead of 3G helps alot on the SGS1.

Weird battery loss to 0%

Hello folks.
On my 2nd Nexus 4 device i have a massive battery loss since yesterday.
On this device there is no root since i unboxed it. So kernel and rom couldn't be the problem.
Here is a screenshot of the battery chart:
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schreda said:
Hello folks.
On my 2nd Nexus 4 device i have a massive battery loss since yesterday.
On this device there is no root since i unboxed it. So kernel and rom couldn't be the problem.
Here is a screenshot of the battery chart:
View attachment 2232444
Click to expand...
Click to collapse
You may try installing BetterBatterStats and CPU Spy to determine which app(s) drains your battery. Unchecking wifi location in settings/location services will help to lower the battery consumption.
gee2012 said:
You may try installing BetterBatterStats and CPU Spy to determine which app(s) drains your battery. Unchecking wifi location in settings/location services will help to lower the battery consumption.
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Click to collapse
Seems unlikely an app would be able to instantly drain a battery from such a level...Unless of course the battery's levels are not being correctly read... In this case a factory reset might help... If it doesn't, it's probably a hardware defect.
Found this and this with several people complaining about the same problem.. No solution so far, except the suggestion to change the battery...
eciffiidi pages
danielms22 said:
Seems unlikely an app would be able to instantly drain a battery from such a level...Unless of course the battery's levels are not being correctly read... In this case a factory reset might help... If it doesn't, it's probably a hardware defect.
Found this and this with several people complaining about the same problem.. No solution so far, except the suggestion to change the battery...
Click to expand...
Click to collapse
Okay thanks. I have the same problem like the seconde guy.......

New Battery Issue Please Help

For the past two days, I have been noticing huge battery drains. i had stock everything, no custom rom. android system was at the top of the list, and it kept saying it was the GPS, although it was off. so i rooted my G2 and downloaded system tuner, and turned off all the carrier IQ things, the 7 checkboxes. this morning, i figured the battery would be back to normal, but android system and android os are killing my battery
http://forum.xda-developers.com/showthread.php?t=2453850
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steamer86 said:
http://forum.xda-developers.com/showthread.php?t=2453850
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Can't tell much by SS besides go sms and launcher wake. Did the issue start around GoSms install?
Steamer86 said:
Can't tell much by SS besides go sms and launcher wake. Did the issue start around GoSms install?
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no and i have since deleted go sms but can you take a look at the two above wakelock screenshots?
ok so if anyone out there can help, my battery drain has been going on for about 4 days now. android system, android os, and mediaserver are the biggest culprits in that order. i greenified everything i could, but battery still sucks .
android system has had 4321 wakelocks in the past 9 hrs, with syncloopwakelock the biggest culprit with over 1000 wakelocks
phone has 2335 wakelocks, with 1600 from RILJ
I HAVE BEEN SEARCHING FOR DAYS PLEASE HELP
skins30 said:
ok so if anyone out there can help, my battery drain has been going on for about 4 days now. android system, android os, and mediaserver are the biggest culprits in that order. i greenified everything i could, but battery still sucks .
android system has had 4321 wakelocks in the past 9 hrs, with syncloopwakelock the biggest culprit with over 1000 wakelocks
phone has 2335 wakelocks, with 1600 from RILJ
I HAVE BEEN SEARCHING FOR DAYS PLEASE HELP
Click to expand...
Click to collapse
Come here, post what I asked, and I will try to help you
http://forum.xda-developers.com/showthread.php?t=2497984
Noam23 said:
Come here, post what I asked, and I will try to help you
http://forum.xda-developers.com/showthread.php?t=2497984
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hey i posted it in that forum, thanks in advance

Google fit app on L is draining machine.

Look at this.
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I highly recommend you guys to disable it if you want your battery to be better ?
How was your actual battery life with it on? I've been running Fit on my phone since the first Nexus 6 port was available. While it does hold a wakelock the hit to battery wasn't all that bad considering what the app does. I average maybe 30 minutes or less SOT time with the app turned on from 630 am to 1030 pm. I was impressed as I thought I'd be recharging shortly after lunch.
Will it still drain if I don't use it but have it installed. Somehow I see notifications on my moto 360 from fit.
Use Greenify Dude !!!
thefunkychills said:
Will it still drain if I don't use it but have it installed. Somehow I see notifications on my moto 360 from fit.
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Click to collapse
It working without notification in backgriund. I belive only solution , if You don´t want to use it, is to freeze or uninstall this wih TiBu.
EDIT: looks like it is possible to disable Fit ( maybe ), under settings> Google Fit Data>and turn off Activity detection. I belive then it wont work ay more.
EDIT: nope...still working
Guys, it's not affecting battery. Don't constantly look for issues. I use Google Fit (cause I have a Moto 360) and it doesn't affect normal usage so therefore it's not an issue. If it WAS an issue it'd show in the battery graph and you'd kill your battery in a couple of hours - THAT would be an issue!
EddyOS said:
Guys, it's not affecting battery. Don't constantly look for issues. I use Google Fit (cause I have a Moto 360) and it doesn't affect normal usage so therefore it's not an issue. If it WAS an issue it'd show in the battery graph and you'd kill your battery in a couple of hours - THAT would be an issue!
Click to expand...
Click to collapse
Yeah me too. I don't see any difference with or without Fit.
http://nexus5.wonderhowto.com/how-to/your-nexus-5-has-real-pedometer-built-in-heres-you-use-0151267/
There is not going to be any noticable drain because the app is using the low power core. It's the same core that was supposed to give us always listening Google Now when the phone launched but Google gimped us because of patent bs.
Uh, maybe. I don't know. Maybe because we have pedometer sensor built in so its not draining battery..

Most stable up-to-date ROM for h870

Hi volks,
I tried some roms since my warranty period is over.
But I can't find any 100% satisfying right now.
Hevoc was a desaster, lineageos proved better, but there was no fingerprint sensor and huge bettery drain, which is critical for me. The most fitting so far is Pixel experience. But this ROM does not support instant tourch with long pressed powerbutton, which is very useful for me and USB connection to the computer seems corrupt.
So what ROM do you suggest?
iCuba said:
Hi volks,
I tried some roms since my warranty period is over.
But I can't find any 100% satisfying right now.
Hevoc was a desaster, lineageos proved better, but there was no fingerprint sensor and huge bettery drain, which is critical for me. The most fitting so far is Pixel experience. But this ROM does not support instant tourch with long pressed powerbutton, which is very useful for me and USB connection to the computer seems corrupt.
So what ROM do you suggest?
Click to expand...
Click to collapse
Hi @iCuba, the issue answering your question is and will always be highly biased due to individual experiences. That said, my suggestion is to stay on LineageOS 14.1, that's what I use since long time. I do tried version 15 and 16 but I had a couple of issues that were show stoppers: camera not working and too many random reboots.
Tha bad news is that the ROM is not being maintained anymore in XDA, see this thread.
The good news is that you can compile it by yourself and that security patches are still backported, so you will have a certain degree of extra security.
As per my experience, note that I don't use Google Apps in my phone, and I use the phone very seldom. I install a few apps with f-droid and self-host all my services. Also, the fingerprint sensor works, and I have no battery drain at all, check these screenshots, 4 days is very very good for me.
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Hi knzor,
thank you very much for your time to create this detailed review of your personal experience with Lineage14.
Since no ROM fitts completely to my needs until now perhaps I will give it a try at the weekend. I hope it is not that difficult to compile my own version of lineage. I lost my interest in computers a few years ago, since one problem creates a nother and updates seems to make things more worse than bevor.

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