Develop Bugs

Huge battery drain - Android Core Apps

Hi,
I'm curious if anyone else experienced the same battery drain caused by the Android Core Apps. I used to get at least 2 hours worth of screen time on my gnex, but now it's down to maybe 3/4 of an hour. Settings -> Battery shows Android Core Apps using about 40% of the battery. The phone gets hotter than usual when turned on. Sleep time doesn't seem to be affected.
I also noticed Contacts loading way slower than before with reloading each picture. I tried uninstalling HaxSync but it didn't fix the issue.
Phone is a yakju build with the official OTA JellyBean installed.
If anyone has any ideas I'd be thankful. I tried the usual phone reboot, taking out the battery...Didn't try hard reset yet since it's something I want to avoid at the moment.

This is funny cus lately i see the same thing.sometimes the cpu reaches 100 % because of it, especially the applications search provider process.i thought it was because of something i installed but now that you mention it too then it could he something else.maybe it's Google server issue or something? I'm still with ICS btw.
Sent from my Galaxy Nexus using xda app-developers app

That's exactly what happens. The phone heats up as well. Especially the right top corner of it.

Same here
I'm seeing the same thing here and I'm on JB on my GN. Have seen this for a couple of days now and android core apps is really eating all the battery just now. Even more than the screen
Any ides of how to proceed?

Samesiesz
:crying:

My phones batt life is also not as anywhere near as good as other peoples. I also use Yakju phone, and since JB, the top right corner of my phone gets super hot at times

It looks like we're all experiencing the same thing. So far nothing I've tried worked. Can you guys check if people (contacts) app takes longer to load the contacts than usual?
Sent from my Galaxy Nexus using Tapatalk 2

same here
i have the same problem..... it all happened after jellybeen. today it's hot as hell, and taking for ever to charge. i am going to wipe it clean and go from there.

Yes it's a problem. I try to keep my phone plugged in when I'm at my desk but sometimes I forget. When I forget the battery gets low I make sure these two items are close and fully charged.
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Sent from my Galaxy Nexus using xda premium

I don't have "Android Core Apps" listed on my battery usage; I have "Android OS" and "Android System" but neither is a significant contributor toward the battery drain. My Contacts app also seems to load just fine.
Could you perhaps grab a screenshot of your Battery information page? Both the list of apps and the zoomed-in graph, please.
Another idea might be to try out an app like SystemPanel or Diagnosis to try and get a better idea of exactly which application is using up your juice.

Funny thing is that I didn't have Android Core Apps listed on my battery usage neither...at least not before this started happening. Somehow today seems fine though...nothing changed, nothing new installed or nothing old removed...just charged my phone overnight. It was going on for a week now, but today it's gone...I have a feeling it might come back randomly though. At the moment I'm seeing 84% left after 6 hrs off charger and moderate usage (about 30 mins screen time).
Contacts load considerably faster and phone doesn't get hot either...

roro45 said:
I'm seeing the same thing here and I'm on JB on my GN. Have seen this for a couple of days now and android core apps is really eating all the battery just now. Even more than the screen
Any ides of how to proceed?
Click to expand...
Click to collapse
Add me to the list. I also am seeing the heat up towards the top back.

I am having this issue as well.
Seems like opening the contacts is slow. Same with call logs.
The other thing I notice is when someone calls you, there is a delay before the caller name/pic shows up.
Update: I uninstalled Viber for Jelly Bean, everything is back to normal.

I have Viber installed as well, but it seems my issue has fixed itself even with viber still installed.
I'll check if maybe there was an update lately.
Sent from my Galaxy Nexus using Tapatalk 2

Try booting in safe mode. Long press the power off option
Sent from my Galaxy Nexus using xda premium

I think you cannot discuss allthis without referring to the kernels and roms in use.

Like I mentioned, I'm on stock JB - 4.1.1
Unlocked, but not rooted.
Sent from my Galaxy Nexus using Tapatalk 2

Well I have wiped out the phone and reset it. Seems to work better and the battery issue is gone.
Using stock on a bell network phone. Still need a bigger battery.
Sent from my Galaxy Nexus using Tapatalk 2

Same issue
The same exact problem here on my GNEX with JB (Android core apps eating up battery and contacts opening slow) . It seems to have started when I've installed the latest updated Viber App.
I've just unistalled it and will have a check on battery life from now on.

Uninstalled Viber
windmill_81 said:
The same exact problem here on my GNEX with JB (Android core apps eating up battery and contacts opening slow) . It seems to have started when I've installed the latest updated Viber App.
I've just unistalled it and will have a check on battery life from now on.
Click to expand...
Click to collapse
I uninstalled the latest version of Viber since it crashed on a regurarly basis and now my battery lasts a lot longer and Android core apps is not shown in the list of apps eating battery! Even my contact app loads a lot faster now.
Running JB on a stock GNEX.

Massive drain battery

Hi,
I have huge problem which hasn't occurred for the first time. I left my t520 with 92% and fell asleep. When I woke up it was at 40%. I had wifi off, and turned off wifi scanning when eve n off (which caused drain esrlier). According to wake lock detector the process which keeps running can be seen under. Please help me. In settings it only says that android process (97% usage of battery) has used CPU for 10h42mi and stood awake for 7h45min
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http://imgur.com/wNEhSFt
P.s. This tab is complete rubbish....

i would suggest go into settings....->battery. this should show u what is using your battery the most. if its a app delete it and see if it works. if not i would recomend doing a factory reset. this is what i do when something eats my battery alot.
foxracer89 said:
Hi,
I have huge problem which hasn't occurred for the first time. I left my t520 with 92% and fell asleep. When I woke up it was at 40%. I had wifi off, and turned off wifi scanning when eve n off (which caused drain esrlier). According to wake lock detector the process which keeps running can be seen under. Please help me. In settings it only says that android process (97% usage of battery) has used CPU for 10h42mi and stood awake for 7h45min
http://imgur.com/wNEhSFt
P.s. This tab is complete rubbish....
Click to expand...
Click to collapse

foxracer89 said:
Hi,
I have huge problem which hasn't occurred for the first time. I left my t520 with 92% and fell asleep. When I woke up it was at 40%. I had wifi off, and turned off wifi scanning when eve n off (which caused drain esrlier). According to wake lock detector the process which keeps running can be seen under. Please help me. In settings it only says that android process (97% usage of battery) has used CPU for 10h42mi and stood awake for 7h45min
http://imgur.com/wNEhSFt
P.s. This tab is complete rubbish....
Click to expand...
Click to collapse
Are you using Songza? It has big problems right now with battery drain. The deal is, is probably not the device. There is an app that is causing your issue.
Sent from my SM-T320 using XDA Premium 4 mobile app

The tab yesterday got from 30% to complete 0% with everything off (aeroplane mode, sync off etc.) just laying on the desk.
In settings its shows that battery is drained only by Android process.
I was thinking about what might be the cause and just realised that it started to happen just affter purchase of original samsung case for this tab. Is it possible that it had impact on one of the processes? Cause CPU is active almost all the time despite neither app running in the background... Maybe it's due to the magnetic thingy which wakes the screen?

foxracer89 said:
I was thinking about what might be the cause and just realised that it started to happen just affter purchase of original samsung case for this tab. Is it possible that it had impact on one of the processes? Cause CPU is active almost all the time despite neither app running in the background... Maybe it's due to the magnetic thingy which wakes the screen?
Click to expand...
Click to collapse
If the magnet is turning the tablet on, the screen would be on, and you can see that even with the cover of the case closed. So if you can see the screen if off, then I would say no, the magnet is not causing your drain problem.
Do you have Skype installed? This is a known battery drain problem on Kitkat as well. Its a bug within Kitkat itself, so maybe that is why its being reported as the Android process, and not one of your apps.

take a screenshot of you battery

redpoint73 said:
If the magnet is turning the tablet on, the screen would be on, and you can see that even with the cover of the case closed. So if you can see the screen if off, then I would say no, the magnet is not causing your drain problem.
Do you have Skype installed? This is a known battery drain problem on Kitkat as well. Its a bug within Kitkat itself, so maybe that is why its being reported as the Android process, and not one of your apps.
Click to expand...
Click to collapse
I don't think it's an app problem. I have only few apps installed (news reader, 2 games, fb and few random apps. I'll upload the screenshot when I'll be at home

Yep, my battery has started playing up. It likes to say it's 21% but then goes to 15, then between 2 and 4 within a couple of minutes. Sometimes runs on 1% for ages. But then dies, I turn it back on and it says 21%
Don't know if is root related. Our if I just need a hard reset. Going to try draining battery fully, then charging to full with device off
Sent from my SM-T520 using XDA Premium HD app

I also have never seen such a huge battery drain on any samsung or android device. For once, if you dont need it, go into settings and location services. Just disable it completly with that switch. This reduces the drain a lot, but is still way to high...
For me, it drains about 20% overnight with location on (completly offline) and about 10% without location services.

I have the same problem as well. It will continuously drain from 90-50 in minutes and then 50-15 and so on. 1% sometimes lasts for 30 minutes+ and when I restart it will be 15+% again. I thought it might be because of custom roms so I reset it back to stock many times and same problem. The only apps I have installed are adobe reader and es file manager.

JAIMEREYES said:
I have the same problem as well. It will continuously drain from 90-50 in minutes and then 50-15 and so on. 1% sometimes lasts for 30 minutes+ and when I restart it will be 15+% again. I thought it might be because of custom roms so I reset it back to stock many times and same problem. The only apps I have installed are adobe reader and es file manager.
Click to expand...
Click to collapse
boy, you're digging out a two year old thread!!
if you have such a battery drain you have different (unsatisfying) choices:
1. try battery calibration or other roms
2. throw you tab away + buy a new one
3. buy a new battery
4. accept it (like me)
5. wait until someone brings an awesome new rom which will give an awesome battery life
(sorry for hidden sarcasm but this tablet is just a big disappointment (for me))

I don't think you should throw away devices or buy new batteries without first analyzing what the problem could be. If you are rooted, download an app such as Wakelock Detector and BetterBatteryStats first, make sure there isn't some rogue app or process that is constantly running in the background. Also, if you are running the 8.4 (or perhaps it also works with the 10.1 / 12.1), check out the link in my signature on how to reseat your battery. Many people have found success with all kinds of battery problems.

Nexus 5X battery more than worse!

So..
Recently I've bought my very own Nexus 5X, here over in Europe.
I have been very, very happy with it so far!
I came from a S5 mini, but boy oh boy, I'll never buy a Samsung ever again!
Though, I've recently ran into a major problem! My battery is so, so, so bad!
I could speak of luck when I make it trough 6 hours!
My S5 Mini was even better than this one, and is instead 2200 mAh!
The only thing I do on a day, is check Twitter and visit some Android news pages..
Not even a heavy gamer!
Have I done something wrong? Is this a manufacturing error? Is Google fixing this soon?
Many question, such wow.
I would love to hear from y'all!
- Scyn_
(Sorry if I spelled some things wrong )

Share the screenshots (Power + Volume down for 2 sec) of battery stats and it will help the others to decide who is the culprit. You can see who is using most of the juices in battery stats. Also, in Developer Options, you can see what's running in background from 'Running Services'.
In general, the battery is quite satisfactory.
For me, 5X was getting very poor cellular network reception and it was draining the battery. I choose '2G' from Preferred network type (reboot) and it's improving already.

Sup?
Thanks for replying buddy! It's really awesome to see some support out there!
XDA doesn't let me post image's.
Right now, I have 4 hours left while I booted my phone 2 and a half hours ago..
Chrome is taking up 8 %
Screen 7%
Android OS 3 %
Android System 3%
Google services 1 %
I can't even get through half a day.. Ugh.
- Scyn_

Hi!
See the Network reception first. For a clearer view, download this app: Network Signal Info.
And head to this thread and see if anyone else have already answered your query: http://forum.xda-developers.com/nexus-5x/general/nexus-5x-battery-life-thread-t3229424

Sup?
Network is all good, not really that much problems whatsoever.
I just don't understand why this phone does this to me..

When you look at your battery stats, tap into the "graph" then look at the bottom and see the "awake" line.
It indicates if your phone is "awake" most times or not.
If I constantly use my 5X throughout the day, 6 hours sound about right (this was when I just got the phone and was constantly playing with it).
Now I just use it normally for messages, emails and calls throughout the day with occasional clash of clans and it could last an easy 13 to 14 hours. Just a note though, I do use the app greenify.
If you noticed your phone is constantly "awake" even if when your not using it, then maybe consider turning off the "ambient display" (in display settings) and see if that helps.

Sup?
Thanks for the reply! ^^
My battery is indeed constantly awake, I don't know how though!
It's all normal usage I'm performing, I don't even play any sort of game..
Never heard of Greenify.. Is it like a boost app..?
I did turn off Ambient Display. I have the official Folio case, so Ambient Display is useless anyway.

Umm.. Anyone who have options left?
Because I'm kind of stressing out now..

It's weird your phone is "awake" all the time. Maybe there is bad app installed.
Try using the greenify app and see if it improves the battery.
This app prevents other apps from running in the background.
If this fails, try factory reset and use see it this improves?

Scyn_ said:
Sup?
Thanks for the reply! ^^
My battery is indeed constantly awake, I don't know how though!
It's all normal usage I'm performing, I don't even play any sort of game..
Never heard of Greenify.. Is it like a boost app..?
I did turn off Ambient Display. I have the official Folio case, so Ambient Display is useless anyway.
Click to expand...
Click to collapse
One of the apps or services you have running on your device is not letting your phone go to deep sleep or Doze, by the sounds of it.
You can see which apps you have running 24/7 in the background in Developer Options > Running Services. Any of those 3rd party services could be causing your issues as they do not close when you swipe the app away.
You can also check Settings>Memory (sort by max usage at the top right options) to see which apps are using CPU and RAM periodically throughout the day.

To kgen:
I haven't really got the time to test it now, I charged it since the battery almost died..
Greenify doesn't do the trick.. It doesn't detect 1 single app..
To bblzd:
There are not even that many services!
I've aksed those Google product forums as well, told me to try a day in Safe Mode and clear device cache in boot menu.
Just cleaned the cache, off to bed now, and try Safe Mode tomorrow.
I kind of lost all hope man.. I don't know what to do anymore..

Scyn_ said:
To kgen:
I haven't really got the time to test it now, I charged it since the battery almost died..
Greenify doesn't do the trick.. It doesn't detect 1 single app..
To bblzd:
There are not even that many services!
I've aksed those Google product forums as well, told me to try a day in Safe Mode and clear device cache in boot menu.
Just cleaned the cache, off to bed now, and try Safe Mode tomorrow.
I kind of lost all hope man.. I don't know what to do anymore..
Click to expand...
Click to collapse
You are using Android, more precisely a NEXUS and you are losing hope already!! Unless it has some manufacturer error, it will be solved. Start sharing the screenshots. If you can't post pic, post link. Let the experts go through them.
Best of luck.

Well, yeah..
It's just really frustrating that I finally think I have one of the bestest and purest phones on the market, and it just really isn't somehow..
Booted my phone today into safe mode.
I'm losing battery already! I don't understand!
Cleaning that device doesn't do anything as well..
Let me make some post till I get to 10.
Then we can get started.

See previous post.

See previous previous message.

See previous previous previous post.

Okay, let's get started with evidence now.
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^ Fully charged my phone yesterday when it almost died.
Booted it, just checked Facebook and Chrome as usual.
And this is the result..
^ Booted my phone into Safe Mode today.
Result's are worse as usual.
Hope this can clear some people's minds.
Help, is really appreciated!

Scyn_ said:
Okay, let's get started with evidence now.
^ Fully charged my phone yesterday when it almost died.
Booted it, just checked Facebook and Chrome as usual.
And this is the result..
^ Booted my phone into Safe Mode today.
Result's are worse as usual.
Hope this can clear some people's minds.
Help, is really appreciated!
Click to expand...
Click to collapse
Clear cache and data for chrome. It shouldn't drain so much.
Or are you using it for push notifications?
Clear all Facebook and Twitter tabs and see if it helps.

Cleared Chrome like 50+ times already, so that isn't the case.
Nope, I use the apps not the web versions.
Battery now at 46%, unbelievable..

Tap the graph so we can see more usage info like screen on, awake, etc.
Sent from my Nexus 5X using Tapatalk

High battery drain for a fresh reinstall 7.0 in idle for no apparent reason

Hello, people!
So, on 6.0.1. stock ENcrypted it was like this:
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about 5% lost per night
WiFi always on, whatsup, maildroid checking one imap mailbox for every 120 mins (set to wake up the phone), ok google OFF, now cards OFF, backup-ing OFF. Steady about 5% (4-6%) per night.
Now, I flashed factory image 7.0.0. everything stock. Then I flashed boot.img with disabled encryption and formated data and cache. Everything is as it is described above expect for the maildroid has NOT been even installed yet.
And that's what I get second night in a row (rebooted, cache wiped from recovery mode before leaving the phone):
23% eaten for doing ABSOLUTELY NOTHING!
What even worse, even android itself does not know what it was doing that it ate so much battery because the percentages does not add up for the whole drain.
After so many time invested into this phone for getting pure stock 7.0 unencrypted I just feel exhausted and want to throw this phone out of the window.
I'd appreciate a right direction for figuring out what drains the battery.

Yeah battery blows with nougat. Significant Google play services drain mainly bet scheduler. Had somewhat similar with MM but was able to really calm it down with Power Nap, bit since Xposed is not out yet for N....I'm nandroiding back to MM too.
Sent from my Nexus 5X using XDA-Developers mobile app

I downgraded to MM, and it became normal. The next day I missed the quick switching between the last two opened apps and I flashed N again))
Actually, this night it drained 8% what is kinda OK. What I additionally did was that I disabled under google account sync everything except for the contacts and calendar. Also I activated data saver and added only whatsup there. Wifi was on all night, but he phone did not seem to be waking up during the night at all, what is good because I didn't need it to be doing anything except for idling in case someone calls for emergency. So, I guess after some hard tweaking and disabling things I can cope with N, but mostly for the sake of awesome interface features.

Oversemper said:
I downgraded to MM, and it became normal. The next day I missed the quick switching between the last two opened apps and I flashed N again))
Actually, this night it drained 8% what is kinda OK. What I additionally did was that I disabled under google account sync everything except for the contacts and calendar. Also I activated data saver and added only whatsup there. Wifi was on all night, but he phone did not seem to be waking up during the night at all, what is good because I didn't need it to be doing anything except for idling in case someone calls for emergency. So, I guess after some hard tweaking and disabling things I can cope with N, but mostly for the sake of awesome interface features.
Click to expand...
Click to collapse
Just give it sometime...things are settling in...so a lot of time play services and stuff also go crazy...also apps are getting updated as well...give it a week or so...things will be better

I had this sort of issue on DP5 after a while but clean flashing MM stock and then re-OTAing to N seemed to fix it for me and I'm back at 5-6% overnight.
I honestly think there is a bug in there somewhere, whether its Google services or what i've no idea as my battery stats didn't seem to add up to the drain I was seeing. I had a similar weird drain before on MM too which a wipe sorted out.

give the system some time to settle in. i upgraded to N the day it came out and after giving android a few days i recognize no major difference in performance or battery life, even though things like Force Doze are incompatible now.

Sorry for off topic
How did you get that icon to the left of alarm icon in status bar (circular arc with + sign in the center)?
Thanks in advanced

ABSathe said:
Sorry for off topic
How did you get that icon to the left of alarm icon in status bar (circular arc with + sign in the center)?
Thanks in advanced
Click to expand...
Click to collapse
That's a new data saver feature being turned on. Setting -> Data usage -> Data Saver option there

I went back to MM not because of the idle drain, infact, I had no drain but the SOT sucks... Like 2-3 hours instead of 4-5 on MM. Maybe I'll wakt until Xposed it compatible again...

Hi, I don't mean to hijack the thread, but I posted about an issue with the screen, which is battery related as well. Actually when idle I have almost no battery drain (up to 2% per night). Could you take a look at this thread regarding the issue: http://forum.xda-developers.com/nexus-5x/help/nexus-5x-android-7-screen-battery-usage-t3463591
I have screenshots prepared (even worse than what I've already described), but as already mentioned I don't have enough posts in order to be able to post them here.
Is this an issue with the screen, battery or OS? The device is new with the OTA Nougat update.

How exactly did you downgrade to Marshmallow? I'd like to know because my 5X drains battery like crazy without doing anything on 7.0

Rage9one said:
How exactly did you downgrade to Marshmallow? I'd like to know because my 5X drains battery like crazy without doing anything on 7.0
Click to expand...
Click to collapse
Flash factory image from https://developers.google.com/android/nexus/images
Did that too but unfortunately for me it didn't fix my drain...

Android system battery drain

Hi there everybody
I've got a samsung a50 and have been seeing android system draining battery for 2 weeks
I've done factory reset and even flashed the whole firmware
But the issue is not gone
Disabled backup
Disabled sync
App preview messages
Cleared cache
Wiped data and cache google play services
What should i do?

Does anyone know why this happens? Currently on 21 percent of charge and android system consumed 18 percent. Is it normal?
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It might be normal and it might be not, if your phone mostly idle and you are not doing anything on it there always has to be something to use the battery. And since you are not using it obviously Android system and other services running in background will have high percentage, but it doesnt mean it's abnormal. If you would use it heavily the percentage would be probably like 5-10%.
So it really depends what u have been doing on a phone and how long it has been idling. For example if you just leave it idle for few days and never use or turn on the screen it could be like 50% or more and it would be absolutely normal, u see what i mean?

Alijjasghar said:
Hi there everybody
I've got a samsung a50 and have been seeing android system draining battery for 2 weeks
I've done factory reset and even flashed the whole firmware
But the issue is not gone
Disabled backup
Disabled sync
App preview messages
Cleared cache
Wiped data and cache google play services
What should i do?
Click to expand...
Click to collapse
k3lcior said:
It might be normal and it might be not, if your phone mostly idle and you are not doing anything on it there always has to be something to use the battery. And since you are not using it obviously Android system and other services running in background will have high percentage, but it doesnt mean it's abnormal. If you would use it heavily the percentage would be probably like 5-10%.
So it really depends what u have been doing on a phone and how long it has been idling. For example if you just leave it idle for few days and never use or turn on the screen it could be like 50% or more and it would be absolutely normal, u see what i mean?
Click to expand...
Click to collapse
I understand that but i have been using my phone and it has been idle a little time so i guessed there might be a problem.
Another thing is my phone is now showing learning usage patterns in battery stats because i reseted it a few days ago. Could it have anything to do with this drain?

Alijjasghar said:
I understand that but i have been using my phone and it has been idle a little time so i guessed there might be a problem.
Another thing is my phone is now showing learning usage patterns in battery stats because i reseted it a few days ago. Could it have anything to do with this drain?
Click to expand...
Click to collapse
Maybe, im not sure then sorry.

OK
So I checked my friend's device and he has got 19 percents for androud system. I think because the screen is removed in android 10 so it counts as screen, too.

Alright i managed to FIX this
Just i put my phone in charge overnight and it got fixed. I think it is because android system optimizes apps at that time. Now android system 0 PERCENT

Alijjasghar said:
Alright i managed to FIX this
Just i put my phone in charge overnight and it got fixed. I think it is because android system optimizes apps at that time. Now android system 0 PERCENT
Click to expand...
Click to collapse
Because its the stats since last full charge > 100% charge = 0% because its not off the batt.
If its apps that are draining the batt i think the best thing to do is reflash stock and go from there, if you've installed apps that you no longer use for example.
Turning on batt saving things, like auto screen brightness, make sure location/wifi is off when not in use, just try to limit how much power the system needs to function is always good practice.

InFam0us-1985 said:
Because its the stats since last full charge > 100% charge = 0% because its not off the batt.
If its apps that are draining the batt i think the best thing to do is reflash stock and go from there, if you've installed apps that you no longer use for example.
Turning on batt saving things, like auto screen brightness, make sure location/wifi is off when not in use, just try to limit how much power the system needs to function is always good practice.
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No no no
I reflashed the whole firmware and it was still there
I fixed the issue myself so no need for your help