1. PcNy's Avatar
    After updating to JB 4.3, I noticed that Android OS consumes more battery as it was in JB 4.2.2.
    In JB 4.2.2, Android OS never consumed more than 10% of battery while it usually consumes over 20% after the update.
    I see the details of Android OS and notice one strange thing is that the "Keep awake" time usually goes up and down.

    Note the device time on top right and Keep Awake time


    Should not the time increase only ?
    08-02-2013 08:09 AM
  2. Scott Kenyon's Avatar
    Try to get a more detailed battery app like gsam and post some screens after a few days.

    Sent from my HTC One using Mobile Nations mobile app
    08-02-2013 08:24 AM
  3. Captainbob767's Avatar
    Did you do a factory reset which is strongly recommended on the Nexus 4 Facebook Page if you have troubles after the update? It was posted July 29 https://www.facebook.com/GoogleNexus...ation=timeline
    08-02-2013 08:24 AM
  4. gusar2000's Avatar
    In my case 4.3 drains battery much less than 4.2.2 (on both N4 and N7), but on N7 I noticed that after running some apps (didn't figure out which one yet) the OS starts to drain up to 60% of the battery! Before update didn't happen.
    Looks like apps issue.
    After re-start it returns to normal (low) drain.
    08-02-2013 09:12 AM
  5. PcNy's Avatar
    Did you do a factory reset which is strongly recommended on the Nexus 4 Facebook Page if you have troubles after the update? It was posted July 29 https://www.facebook.com/GoogleNexus...ation=timeline
    does the factory reset restore my nexus back to 4.2.2?
    08-02-2013 11:00 AM
  6. pontiac005's Avatar
    does the factory reset restore my nexus back to 4.2.2?
    No


    Sent from my Nexus 4 running Android 4.3 using Tapatalk 4
    08-02-2013 11:41 AM
  7. Axefield's Avatar
    My phone has a deep sleep issue. For some reason it's not sleeping at all before I reboot it. I have not found out what's causing this. Standard battery info tells me that Android OS has used most of the battery. Wakelock detector seems to blame fb, fb messenger and exchange services.
    I installed 4.3 update on top of completely stock 4.2.2 with sideload. I did not factory reset after the update so that might be my next thing to do.
    08-02-2013 12:25 PM
  8. gusar2000's Avatar
    My phone has a deep sleep issue. For some reason it's not sleeping at all before I reboot it. I have not found out what's causing this. Standard battery info tells me that Android OS has used most of the battery. Wakelock detector seems to blame fb, fb messenger and exchange services.
    I installed 4.3 update on top of completely stock 4.2.2 with sideload. I did not factory reset after the update so that might be my next thing to do.
    Apps prevent it from sleeping (somehow making the OS to stay ON). I doubt Factory reset will solve the issue.
    Try to pinpoint the app.
    BTW, sometimes the list of running apps can help. You can kill an app and see if it helped.
    mkhilario likes this.
    08-02-2013 12:53 PM
  9. PcNy's Avatar
    the frustrating point is that I use almost exactly the same set of apps as I used in 4.2.2 but there was not a problem.
    08-02-2013 01:50 PM
  10. agp101's Avatar
    I had the same problem and turning off Google now and location reporting fixed it. I believe the problem is mostly Google now that excessively uses the location reporting process. For me I had 0% deep sleep according to wake lock detector because of the "nlpcollectorlocation" process or something like that, which is under Google services. With Google now off I get deep sleep 84% of the time and only lose 1-2% per hour as opposed to 5-6% while idle.

    Posted via Android Central App
    08-04-2013 01:11 AM
  11. janciani's Avatar
    I'm having the same problem, using my phone as much as I did before updating to 4.3, same apps runing and the battery drains twice as fast. Watch this capture. This was taken 6 hours with my phone "sleeping" not even touched the phone in that time with GPS OFF.

    Also did a factory reset WITHOUT backing up and the problem persists.


    Android OS drains battery ?-screenshot_2013-11-06-12-06-20.jpg
    11-09-2013 03:19 PM

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