1. L Ronaldo's Avatar
    Hi,
    the GSAM app on my HTC ONE M8 says that my app usage is higher than my screen and three of the main battery drainers are: Kernel (Android OS), Android System and System (Mediaserver).

    I use my phone properly, charge it very well and have had 4 android phones. None were like this.
    I have the latest firmware for the M8 (4.4.4).
    My screen on time is not that good now, around 2-3 hours but when I first got the phone (3 months ago) it was 4-5 hours.

    How do I reduce those 3 apps to make it last longer?
    11-17-2014 07:33 AM
  2. L Ronaldo's Avatar
    anyone know how to fix this?
    11-17-2014 10:14 AM
  3. tshirttan408's Avatar
    Having the exact same issue after updating to 4.4.4. Considerably less battery life with those things taking up the majority of power!
    11-17-2014 10:42 AM
  4. IAmSixNine's Avatar
    short of a hard reset there isnt really a way to fix that problem.
    my Note 3 was having issues after its most recent update and after i hard reset it and re-loaded all my stuff its back to its original awesome ness.

    you may try to wipe the cache partition and test that for a few days.. after every update i wipe cache and my M8 seems to be running just fine.
    11-18-2014 10:50 AM
  5. tshirttan408's Avatar
    On the advice of someone else in another thread a cache partition wipe seems to have sorted the problem!
    11-20-2014 03:08 AM

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