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  1. Thread Author  Thread Author    #1  
    fotyc's Avatar

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    Default Android System suddenly using 25% of battery on Galaxy S4??

    Just in the last day or so, I have had the Android System radically increase its battery usage, to the point that I can't get two days out of a charge anymore like I have before. What would cause that particular item to suddenly leapfrog above Screen and account for 25% of my total battery usage?? The phone is not lit up all day, so it's doing something while sitting idle in the case. I am on KitKat and AT&T. I found a thread for the Nexus 5 but the comments there didn't seem applicable to this phone. Thanks!

    (I should add that the phone also feels hot in the vicinity of the camera lens on the back.)
    Last edited by fotyc; 05-15-2014 at 06:24 PM.
  2. #2  

    Default Re: Android System suddenly using 25% of battery??

    Quote Originally Posted by fotyc View Post
    Just in the last day or so, I have had the Android System radically increase its battery usage, to the point that I can't get two days out of a charge anymore like I have before. What would cause that particular item to suddenly leapfrog above Screen and account for 25% of my total battery usage?? The phone is not lit up all day, so it's doing something while sitting idle in the case. I am on KitKat and AT&T. I found a thread for the Nexus 5 but the comments there didn't seem applicable to this phone. Thanks!

    (I should add that the phone also feels hot in the vicinity of the camera lens on the back.)
    take out the battery and rotate it on a flat surface. a good battery will not rotate .
    go to recovery and clear cache this may help

    or this will a hardware problem
    Dont' Forget to press Thank you button and like button when you get an answer
  3. #3  
    Murph5150's Avatar

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    Default Re: Android System suddenly using 25% of battery??

    I've tried all the fixes. 4.4.2 is a disaster. This is with light usage and 2 hours on the charger throughout the day.

    Posted via Android Central App
    Attached Thumbnails Attached Thumbnails Android System suddenly using 25% of battery on Galaxy S4??-screenshot_2014-05-15-23-44-30.jpg  
    Pure mathematics is the only truth in our world.
  4. #4  
    STARGATE's Avatar

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    Default Re: Android System suddenly using 25% of battery??

    Mine was doing the same after updating to kit kat.

    But a couple of weeks after, my phone got an update and it's been better since.
    Android System suddenly using 25% of battery on Galaxy S4??-1400212793216.jpg

    Sent From Inside The TARDIS in a Galaxy S4 Away!
    If I'm very clever, and I'm more than clever, I'm brilliant! I might just save the World, or rip it apart!
  5. #5  

    Default Re: Android System suddenly using 25% of battery??

    I am getting incredible battery life on my GS4 on 4.4.2.

    Try clearing out play services cache in application manager and also once remove your email accounts and re add them.


    Sent from my iPhone 5s using Tapatalk
  6. #6  
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    Default Re: Android System suddenly using 25% of battery??

    Quote Originally Posted by Sanjay Chandra View Post
    I am getting incredible battery life on my GS4 on 4.4.2.

    Try clearing out play services cache in application manager and also once remove your email accounts and re add them.


    Sent from my iPhone 5s using Tapatalk
    How will removing and replacing my email accounts help? I wipe the cashe constantly.

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  7. #7  
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    Default Re: Android System suddenly using 25% of battery??

    Quote Originally Posted by STARGATE View Post
    Mine was doing the same after updating to kit kat.

    But a couple of weeks after, my phone got an update and it's been better since.
    Click image for larger version. 

Name:	1400212793216.jpg 
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ID:	118457

    Sent From Inside The TARDIS in a Galaxy S4 Away!
    Your screen eats a lot of battery whereas the Android OS is killing me.

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  8. Thread Author  Thread Author    #8  
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    Default Re: Android System suddenly using 25% of battery??

    Quote Originally Posted by mobilecrackers View Post
    take out the battery and rotate it on a flat surface. a good battery will not rotate .
    go to recovery and clear cache this may help

    or this will a hardware problem
    I tried to clear cache via recovery and got the little dead Lloyd icon saying Error, like hundreds of other people from what I can see on the internet - sounds like the S4 doesn't let you do that anymore?

    I have a spare battery and will run down the OEM one today and then put the spare in. I haven't seen any updates since KitKat but maybe there will be one out there... Sounds like a lot of people are having this problem with Android System. Too bad, because when this phone is behaving it has great battery life...
  9. #9  

    Default Re: Android System suddenly using 25% of battery??

    Quote Originally Posted by fotyc View Post
    I tried to clear cache via recovery and got the little dead Lloyd icon saying Error, like hundreds of other people from what I can see on the internet - sounds like the S4 doesn't let you do that anymore?

    I have a spare battery and will run down the OEM one today and then put the spare in. I haven't seen any updates since KitKat but maybe there will be one out there... Sounds like a lot of people are having this problem with Android System. Too bad, because when this phone is behaving it has great battery life...
    this might be a bug, we need to wait for next update.
    Dont' Forget to press Thank you button and like button when you get an answer
  10. #10  
    STARGATE's Avatar

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    Default Re: Android System suddenly using 25% of battery??

    Quote Originally Posted by Murph5150 View Post
    Your screen eats a lot of battery whereas the Android OS is killing me.

    Posted via Android Central App
    I normally have the brightness all the way up.
    I know it eats battery faster but that's how I use it most of the time.

    Sent From Inside The TARDIS in a Galaxy S4 Away!
    If I'm very clever, and I'm more than clever, I'm brilliant! I might just save the World, or rip it apart!
  11. Thread Author  Thread Author    #11  
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    Default Re: Android System suddenly using 25% of battery??

    The phone seems happier this morning, it's not hot up around the camera lens - maybe there was a tower out and my signal was weak, would that make Android System work harder? my LTE symbol was gone and I was just on 4G.

    I should add that I went to check for software updates just now, and there is one - can't download it till I get home and can connect to my wifi. Wonder if it will help.
  12. #12  
    Murph5150's Avatar

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    Quote Originally Posted by fotyc View Post
    The phone seems happier this morning, it's not hot up around the camera lens - maybe there was a tower out and my signal was weak, would that make Android System work harder? my LTE symbol was gone and I was just on 4G.

    I should add that I went to check for software updates just now, and there is one - can't download it till I get home and can connect to my wifi. Wonder if it will help.
    How long were you having that problem? Turnaround time on tower repairs is usually quick.

    No update pending on my phone. I have Verizon. Who do you have?

    Posted via Android Central App
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  13. Thread Author  Thread Author    #13  
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    Default Re: Android System suddenly using 25% of battery??

    Quote Originally Posted by Murph5150 View Post
    How long were you having that problem? Turnaround time on tower repairs is usually quick. No update pending on my phone. I have Verizon. Who do you have?
    Posted via Android Central App
    AT&T, and all day yesterday at least. Still not great this morning, but Android System has dropped back below screen in terms of how much battery it's using in Usage Manager.
  14. #14  

    Default Re: Android System suddenly using 25% of battery??

    I am curious , Is your mail fetch or push ?
  15. Thread Author  Thread Author    #15  
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    Default Re: Android System suddenly using 25% of battery??

    Quote Originally Posted by Sanjay Chandra View Post
    I am curious , Is your mail fetch or push ?
    I believe it's fetch - I am using the stock email client and I have a time interval set up for it to check for new mail.
  16. #16  

    Default Re: Android System suddenly using 25% of battery??

    Quote Originally Posted by fotyc View Post
    I believe it's fetch - I am using the stock email client and I have a time interval set up for it to check for new mail.
    Stock mail app eats so much battery in my experience.

    Sent from my GT-I9500 using AC Forums mobile app
  17. Thread Author  Thread Author    #17  
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    Default Re: Android System suddenly using 25% of battery??

    Then wouldn't Email show in my battery info? It does not. Battery was at 49 percent at 8:30 this am and I got the 15 percent warning at 11:30 with light use so the problem is not gone... what is android system DOING?

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app

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