Android OS causing massive battery drain - Samsung Galaxy S7 Questions and Answers

Hi!
I've been facing a massive battery drain for the last couple of weeks. I'm on stock oreo
According to battery usage, it says Android OS has been using most of the battery. Eg. 39% of total app usage.
Phone has been draining in half the time it used to. Eg. First, from 8.30 to 6.30 my battery would be at around 35 - 40%.
Now, the phone is at 5% by 5.30 PM.
Can anyone help, I need your opinion and help in fixing this.
TIA.

Related

What drains your battery the most?

For some reason my screen started really draining the heck out of my battery and it's only set on about 35% brightness.
Here are my current stats:
Screen - 65%
Wifi - 14%
Call Standby - 10%
Phone Idle - 9%
Android - 2%
What are your stats? Is the screen eating the battery? Any ideas how to fix this?
Thanks in advance.
succorso said:
For some reason my screen started really draining the heck out of my battery and it's only set on about 35% brightness.
Here are my current stats:
Screen - 65%
Wifi - 14%
Call Standby - 10%
Phone Idle - 9%
Android - 2%
What are your stats? Is the screen eating the battery? Any ideas how to fix this?
Thanks in advance.
Click to expand...
Click to collapse
That looks usual
When my screen is on my battery drains about 1% per minute.
What is your max cpu speed?
Bad battery?
Those stats look normal for the most part, but it also depends on how long the screen was on vs how long the phone was on overall.
Cell standby appears a bit high at first glance, which definitely causes some additional drain if you don't have reception during standby and the phone is searching for reception.
RE:
Hey,
I am running MIUI ROM 2.6.15
Screen 25%
WiFi 20%
Cell Standby 17%
Android System 16%
MediaServer 7%
Phone Idle 7%
Music 4%
Gmail 3%
Media 2%
Google Services 2%
I used the built-in Battery Calibration to calibrate the battery like last week and I noticed that by the end of the day, I still had at least 30% of battery...
I use it to text, listen to music and talk everyday at night at least 3-4 hours with my girl...
I'd suggest to root phone, try a new rom, or use any calibration apps from play store and follow the instructions... worked with my 2 previous phones.. Huawei Ascend, Motorola Droid 2 Global.. and this is 6th android I have and I love it a lot.
The screen is set to 25%. It's only on for about 45 minutes.
I have rooted the phone and am running a very new rom.
i'm pretty much in the same position, my battery drains 1% per minute
I'm on T-Mobile and their "My Device" app will let you know if you need to replace the battery or not. Give it a try.
Sent from my Glacier using XDA
succorso said:
For some reason my screen started really draining the heck out of my battery and it's only set on about 35% brightness.
Here are my current stats:
Screen - 65%
Wifi - 14%
Call Standby - 10%
Phone Idle - 9%
Android - 2%
What are your stats? Is the screen eating the battery? Any ideas how to fix this?
Thanks in advance.
Click to expand...
Click to collapse
Are you running an ICS ROM? They seem to be so efficient at everything else that the screen is the major battery sucker. I've played PSX4Droid for a couple hours at a time, and it barely gets above 10% usage.
I run 2.3.4 virtuous unity. I can make it 24 hours before I charge it.
But the screen is the highest user of battery.
Sent from my HTC Glacier using xda premium
2.3.4 GB here but i honestly say the games and watching videos takes a toll on battery the most.
I used to have awful battery life on ICS and was able to narrow it down to the amazon app store....using like 35% battery.<--disappointing amazon! After uninstalling that I can get about 2-3 hours of screen time. If you're having terrible battery life after flashing a new rom you could try caliberating your battery. I use battery caliberation. When my battery is fully charged I run it, let it drain all the way down then charge it back up. There are probably other caliberation apps out there...or you could delete the battery stats from your recovery. Hope this helps.
edit: just noticed you're talking about Gingerbread, my bad, kinda skimmed over that Caliberating your battery could still help though.
background data

[Q] Is this drain even normal?

So since I installed CM 12 then to 12.1 I have an extrange battery drain that I just can't figure out what is causing it, so I checked on Gsam and it showed that around a 14% of the battery was used by Android OS, and I'm talking about idle drain. I just can't let the phone in idle without losing between 3-4% in less than 3hs... I just don't get it. Back when I had stock KitKat I could let the phone in idle a whole night without losing a single 1%, so I'm thinking it may be a L thing? Can anyone help me here?

Confused in finding cause of drain. Need help!!

Hii everyone i need help regarding some issues with my battery.
1) I have changed the battery of my phone about 6 months ago. It was on lollipoo it was fine about battery. It used to drain about 3-4 percent of battery overnight. I m on stock .
2). Then came marshmallow update. After updating to mra58k my battery became superb it would only drain 1% battery overnight.
3). Another update came of some 5-6 mb it said some securiry and fixes. After updating that the battery drain increased overnight to 8-10 %.
4). Then after some days i rooted and tried many different roms even mra58k and even flashed lollipop rom also but battery drain cannot be under control. Now also it drains about 10 percent battrry overnight.
I dont know where the problem is i am charging with a microsoft 0.5 amp charger. As my stock charger has stopped working.
5) where is the problem i dont understand.( during overnight all Bluetooth, wifi,data,location is off,and signal is full)
Need help guys i m fed up of this problem.
And nowadays charge holding capacity is decresed it gets discharge very quickly with less performance oriented task also lIke chatting or surfing. ( i dont have fb app installed).
Install and try batteryfu from Fdroid.. During nights, set it to always off.
Lim Wee Huat said:
Install and try batteryfu from Fdroid.. During nights, set it to always off.
Click to expand...
Click to collapse
Ok
Will do now and see.
Thx for replying.
I didnt find the section of wakelocks.

Wakelock battery drain [Need Help]

Hello, guys!
I have a problem with my phone for the past few months and after clean flashing 7.0 Nougat it's still present.
My problem is that when I'm home, my phone drains not even few percent of battery. Specially when I'm sleeping, I can go to bed with 100% battery and wake up with 98-99%. BUT when I'm out, specially when I'm working since my work involves a lot of walking the battery just drains like hell and I mean like 7-10% per hour considering I don't even use the phone. Sometimes I will have 30min to an hour of screen-on time and after 10 hours of work I will be home with 15% of battery left.
Now I know that this is mostly to some rouge app that keeps my phone awake and drains my battery but I'm not really sure how to pinpoint it.
I will provide my stats from Bettertbatteystats and WakelockDetector if you guys can help me.
Thanks in advance!
Edit: I just want to explain that the straight line on the first picture with the batter drain graph is when I went home and left my phone on the table for about 3 hours. You can clearly see that the difference in battery consumption during my phone being in my pocket and on the table.

About S7 battery life

Hello guys, I have a few questions about the phone's battery life. i've noticed lately that my phone drain its battery pretty fast, it drains 1% every 3-4 minutes while browsing or messaging, also it drains 13% overnight (9 hours wifi on) on standby, so my questions are : is this draining normal? if not then what should be the phone's average battery drain? keep in mind that the phone is 3 months old so i think its odd that is draining more than 10% overnight with no apps running in the background, from what 've heard the phone shouldnt drain more than 5% on standby.
thanks!

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