Android OS battery usage / stay awake - Galaxy S6 Q&A, Help & Troubleshooting

Device: SM-G920F, LUX CSC, 6.0.1 May 2016 ROM, stock, not rooted
OK, so after spending three hours figuring out an insane Android System battery drain problem (caused by a *backup* wakelock worked-around by disabling Google backups), I have another problem with the Android OS battery usage. Now, this one is somewhat better - I can live with 10% drop per night (8 hours), but is still not normal. Did lots of searching on these kernel wakelocks, but no cookie:
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1. Wifi and bluetoothing scanning for improved location are off.
2. NFC is off
3. S Health is disabled
4. Tried turning off all the "smart" Samsung features
5. Cache wiped (though I never believed in this voodoo
At this point I'm all out of ideas. Any help? Also, what's your overnight Android OS battery usage? Thanks!

We have all big thread about battery drain

Related

[HELP]Battery Drain while phone in pocket (ARHD,ORDROID,INSERTCOIN ROM)

Hi, i get problem with my Sensation
I know this sound weird, but it happen every day and stress me out
When my phone in pocket, the battery always drain faster
Already tried many ROM like ARHD, ORDROID, INSERT COIN (Evolution) ; tried fauxkernel, sebastian,bricked kernel ,same results , I always do full-wipe when flashing ROM, do wipe dalvik when flashing kernel
the problem like androidOS% get higher, also I look at cpuspy, cpu clock always run @918Mhz , deepsleep very bad, only little minutes
when on table, it normal, from fullcharged battery, idle for 7hours battery still 90% (screen on more than 15minutes)
cpu entering deepsleep very good
So, this morning i installed BatteryStats from xda
here some screenshot
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kernel wakelock, event2-638 , whats that??
It make my phone not enter sleep mode
so, what do you think
what can I get from my phone to detect this weird problem

[Q] GsmInboundSmsHandler battery drain

I'm monitoring my battery life after I returned to stock ROM and Kernel. I'm using ART, bacause I heard that the phone can have better battery management.
After 1/3 of usage I saw this on Attivo ( = Awake)
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I used BetterBatteryStats and I saw this
I made a few research on internet, but I didn't find anything usefull.
I take another screenshot from the section Alarm
Now, I don't know if com.google.android.gms is the responsible of the GsmInboundSmsHandler wakelock, but I don't think so, cause I read that GsmInboundSmsHandler is a phone service.
What can I do? Because you can see that the Awake bar shows up constantly after 1/3 of battery usage.
The phone has been awaken for 1 g 17 h 42 m and the screen for 3 h 48 m. I can't really complain, but maybe the battery can do better than this.
Did you already fix it? If you did, then how? I´m having the same problem on my Moto G. The Phone APK is draining my battery. When I use Wakelocks Detector for more info it is the "GsmInboundSmsHandler". Please. Help.

Android System Battery High

Anyone have any tips on what I can disable on a stock non rooted device to get my Android System battery usage down? It's always on top and is usually in excess of 25%. As it stands I can't even get a day out of this thing with only 1.5 hrs of screen on time.
Maybe the battery is bad, phone is only a couple weeks old.
Oh and I should mention that there's no wakelocks or anything strange, it appears it's a legitimate battery drain. My screen brightness is low as well and today I never woke it up outside, just inside abient light. WiFi is off as well.
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A thread all by myself, cool.
Today my battery has been unbelievable, only dropped 28% in 12 with plenty of use. I don't know what to think.
Same issue here.
I've had the phone for 5 days now.
First 3 were a blast with over 5 hours SOT.
I am now getting little over 2 hours SOT thanks to Android System.
Lonely threads come with expensive devices. No support, No Roms, No Development.
Anyhow, For your issue, Try minimizing the permissions of builtin apps. Disable autorun, and use greenify.

(ZC554KL) significant "sensor_ind" kernel wakelock after upgrading to 8.1.0

(ZC554KL) significant "sensor_ind" kernel wakelock after upgrading to 8.1.0
After upgrading my ZenFone4 Max (ZC554KL) to 8.1.0 (WW_ZC554KL_15.2016.1812.505), increased battery consumption was observed. In the wakelock statistics of the kernel, in the first place is wakelock "sensor_ind" (1 day awake from 3 days summary work). II found out that the reason for this is the active ZenMotion feature (double tap on the screen to lock and unlock). But this feature on my Android 7.1 worked for a year without problems and without causing excessive energy consumption. (In any case, not so significant).
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Does anyone have a similar problem? Can you recommend any solutions to the problem (without root) ?. I do not have root access to the phone.
In addition, I heard the version (but I'm not sure) that in this case even the root will not help. Just wait for the update from ASUS. Or use third-party software (like Gravity Screen ON / OFF) and calculate where the energy savings will be more.
I do not want to give up the touch screen on / off permanently. In my previous smartphone, the power key quickly "died."
P.S. Sorry for any errors. English is not my native language.

How to check with specific app causing wakelock in Android System?

I've just got a new phone for weeks but found that the battery life is not as good as my wife's one (same phone model).
After installing GSam, it seems to me that Android System is the main contributor of the battery drain. Using below as an example, there is over one thousand times of wakelock for GnssLocationProvider, 656 for *location* and 683 for *alarm*.
Any idea what can I do to further check what app(s) is actually causing these wakelocks? Many thanks for any help which could be offered.
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Detecting wakelocks is pretty easy once you have a rooted phone. Fully charge your battery to 100% and install an app, called Wakelock Detector on the device.
jwoegerbauer said:
Detecting wakelocks is pretty easy once you have a rooted phone. Fully charge your battery to 100% and install an app, called Wakelock Detector on the device.
Click to expand...
Click to collapse
My phone is non-root one, but I've installed Wakelock Detector and with proper right granted.
But in WD, it still just showed the same like the screenshot I've shared in first post, i.e. those have been grouped under Android System...

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