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Noticeable battery drainage

Discussion in 'Android Devices' started by rgr555, May 29, 2012.

  1. rgr555

    rgr555 Well-Known Member
    Thread Starter

    I've been noticing my phone battery having big drains for no reason at times. I'm using the Seidio 1750 mah battery. I've had great performance with Seidio on my HTC so I'm wondering if there is something wrong with the phone itself or some type of settings or updates I need to make?

    Looking at my battery graph its a steady slope downwards, at times it smooths out and then a big drop.

    Any ideas what is wrong?

    Btw, I am using Juice Defender and have all the obvious things OFF such as GPS. Screen brightness is at <15%.

    This battery used to go for 2 or more days.

    Thanks
     



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  2. lunatic59

    lunatic59 Moderati ergo sum
    Moderator

    Have you recently updated to 2.3.6? There is a lot of chatter about that update significantly affecting battery life.
     
  3. rgr555

    rgr555 Well-Known Member
    Thread Starter

    I just checked and I am using 2.3.6.

    Android OS is using 89% of battery, is that normal.

    Btw my phone is rooted with good custom rom, forgot all the specifics but I did it earlier this year.
     
  4. lunatic59

    lunatic59 Moderati ergo sum
    Moderator

    go to menu>settings>about phone and let me know what version you are running.
     
  5. lunatic59

    lunatic59 Moderati ergo sum
    Moderator

    No, 86% is really too much if you are using the phone regularly. You can see hi OS usage if you've not used it for a while, but I'd suspect other issues. Keeping WiFi on was an issue with the stock 2.3.6 but I don't know about the custom rom. Do you remember which one you are using?
     
  6. nyydynasty

    nyydynasty Android Expert

  7. rgr555

    rgr555 Well-Known Member
    Thread Starter

    2.3.6

    kernel 2.6.35.7-00049-g79b4b3c

    build number ics'd out v9
     
  8. rgr555

    rgr555 Well-Known Member
    Thread Starter

    btw, i dont use this phone much at all

    im going to turn off WiFi and see what happens. I was thinking WiFi would have saved battery instead of using.

    are there any updates/downloads I can do that would fix this battery drain?
     
  9. nyydynasty

    nyydynasty Android Expert

    it sounds like you have the 2.3.6 AOS bug, which is described in great detail here:
    [REF] Known identified battery drainers - xda-developers

    my suggestion - flash a new ROM that is not 2.3.6
     
  10. rgr555

    rgr555 Well-Known Member
    Thread Starter

    Thanks, are there any ROMS you can suggest?
     
  11. nyydynasty

    nyydynasty Android Expert

    there are different roms for each phone. I dont have an HTC so i can't suggest any. But even if I did have your phone, I would tell you the same thing: Try different roms. Phones can respond different to each rom, so whatever works for me may not work for you.
     
  12. lunatic59

    lunatic59 Moderati ergo sum
    Moderator

    For the i777 (AT&T SGS2) I'd say ShoStock2 and AOKP ICS are both pretty good. I'm currently using ShoStock as my daily and it's been incredibly stable and excellent on battery.

    You can get the rom's here: AT&T Galaxy S2 ROMs | Galaxy S2 Root
     
  13. nyydynasty

    nyydynasty Android Expert

    Sorry, you mentioned HTC in your first post so I assumed thats the phone you have.

    If you have the i777, I'm running SHOstock and its really smooth with great battery life.
     
    rgr555 likes this.

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The Samsung Galaxy S2 release date was April 2011. Features and Specs include a 4.3" inch screen, 8MP camera, 1GB RAM, Exynos 4210 Dual processor, and 1650mAh battery.

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