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Thread: Jelly Bean Battery Life

  1. #1
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    Jelly Bean Battery Life

    I had Jellybean installed for almost 2 weeks now and found a faster battery drain compared to ICS and Gingerbread.

    Over a 2 day test, JB's battery usage graph shows that I may have the screen on 15 times, but the phone awakes over 40 times. There are no extra apps installed and data was disabled.

    The same test on Gingerbread, the phone only awakes when the screen is on and the battery life is much better.

    I know that Jellybean has a lot more features on it, but all these awakes seem to be causing battery issues.

  2. #2
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    Quote Originally Posted by billford View Post
    I had Jellybean installed for almost 2 weeks now and found a faster battery drain compared to ICS and Gingerbread.
    Agreed. I wondered if the auto-brightness was setting the display is brighter. On my Nexus S my screen seems to be a higher percentage of battery usage than it used to be. Of course, the battery also doesn't hold the same charge it did when new.

  3. #3
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    It may be me or my phone, but indoors, I keep auto-bright off and set brightness to lowest. Can see fine. Outdoors I use auto.

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    Same problem here with ICS on my HTC Amaze

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    I also noticed the same on both phones -- auto brightness is annoying indoors and when it goes on lowest it remains that way!

    Battheries are drained much much faster --

    Hope Google comes with the fix soon --
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  6. #6
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    I had the same problem, installed juice Defender and now the battery usage is much better but not as good as it used to be.

  7. #7
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    The reason the phone is waking up so many times is Google Now. If you don't use it turn it off and it should lower the wake times. I'm on jellybean with my galaxy nexus and my battery improved from ICS by a lot even with Google Now turned on. I can get 3:30 screen on time with 3G and 4:00 with wifi on, I use auto brightness and keep my gmail auto syncing.

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    Quote Originally Posted by syzuie View Post
    I also noticed the same on both phones -- auto brightness is annoying indoors and when it goes on lowest it remains that way!

    Battheries are drained much much faster --

    Hope Google comes with the fix soon --
    I learned I do fine with auto off, set dim all the way down, then use auto only outdoors if I need. Helps a lot.

    Sent from my DROID BIONIC using HowardForums

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    May just be me. I've seen battery life improve after getting JB on my GN. I flashed takju and it got the OTA update after.

  10. #10
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    For me it's been roughly the same. I've always had my brightness set to manual though.

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