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Fix for fast battery drainingTips


  1. icemanjs4

    icemanjs4 Well-Known Member

    I'd like to thank the people over at XDA. I think they may have found the culprit for the horrible battery performance some of us are seeing. There are two threads of interest over there:
    [Q] Time without signal > 50% - xda-developers
    Wow battery from 100 to 10 in 3 hours - xda-developers

    The short of it is that the 3G signals don't stay locked and the phone keeps hunting. If you go under the battery life settings and click on "Cell Standby" there's a field for "Time Without Service". Mine and many others were hover around 50%. This is constantly draining battery even while you do nothing.

    So the temporary quick fix is to turn on Airplane mode, then turn it right back off. This fixes some incorrect setting. On my phone, Time Without Service dropped from 52% last night to 0% today. And my battery only dropped about 9-10% idling over night. This is MUCH better than the 30% draining overnight I was seeing over the past few days.

    So if your battery life is really bad, try this trick. This also explains why some people are getting better battery life using 4G than 3G.

    Good luck everyone!

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    swungspeedz, la sal, shp13 and 11 others like this.
  2. <=U=L=T=R=A=>

    <=U=L=T=R=A=> Well-Known Member

    Will try it out..thanks for sharing this tip!!
  3. BigD562

    BigD562 Well-Known Member

    Thanks... Battery issue wasn't that bad, but 21% drain for hunting for a signal.
  4. Bakrauf

    Bakrauf Member

    Ity actually says this on the phone. It says "switch to Airplane mode in areas without service". I had this happen yesterday. sucks allthe life out searching for service.
  5. icemanjs4

    icemanjs4 Well-Known Member

    The problem is that it's happening in areas WITH service too.
  6. Kelmar

    Kelmar Done by choice VIP Member

    Noooooo......!

    This is one of the reasons I switched from the Hero and Evo. This thread was posted while I was out picking up the Epic.
  7. Bmerz

    Bmerz Well-Known Member

    Did this too, showed 21%, then dropped down to 5%. Actually 21% is not bad as some are sowing at 50% or more. Good tip, thx for sharing. :)
  8. Shane112358

    Shane112358 Well-Known Member

    I was at 50%...I tried the hint and and will report back if it helps. Edit: It did help quite a bit, thanks OP!
  9. DILands

    DILands Well-Known Member Contributor

    St00pid N00b Question - Where's battery Life Settings?

    thanks
  10. Legato1983

    Legato1983 New Member

    I can confirm also that this works, as my wife's phone was draining juice terribly and now works like a charm without going drain crazy.

    All you have to do is hold in your power button, turn on airplane mode, and then do the same thing only turning it off the second time. As long as you don't reboot your phone, it should stay corrected forever.

    If you need to reboot your phone for whatever reason, you'll have to do this again. It's a simple and quick temporary fix until Samsung/Sprint does something to fix it permanently.
  11. DILands

    DILands Well-Known Member Contributor

    I actually figured out the airplane mode - I wanted to see the "before number".
  12. DILands

    DILands Well-Known Member Contributor

    wow - only 17% - now - time for the "after!
  13. NIUJager

    NIUJager New Member

    Wow, where do you all live? I am at 4% :D
  14. Blaznlow

    Blaznlow Active Member

    im at 2%
  15. Kelmar

    Kelmar Done by choice VIP Member

    Menu > Settings > About Phone > Battery Use

    CLICK on Cell Standby to see Time without signal
    Stringyquark likes this.
  16. pablo.station

    pablo.station Well-Known Member

    im only at 9%
  17. gme109

    gme109 Well-Known Member

    Mine was at 50%. Will see what happens. How long before it drops?

    Thanks
  18. DILands

    DILands Well-Known Member Contributor

    UMM - you rock. I was looking at Cell Standby - which is now @ 15%. Time without a signal 0%
  19. pflol

    pflol Well-Known Member

    Right on, I'm already down to 10% from 81% lol. Thanks :)
  20. ratchetjaw

    ratchetjaw Well-Known Member

    Mine was at 53% will try this out
  21. Mr. Ed

    Mr. Ed Well-Known Member

    You guys might also try updating your prl and data profile if you have not already
  22. pflol

    pflol Well-Known Member

    3 hours later I'm at 90% still, this is nice :).

    1.5 hours of texting/browsing and a couple phone calls.
    1.5 hours of GBA emulator games.
  23. neomedic

    neomedic Member


    How do I go about doing that? Thanks.
  24. pflol

    pflol Well-Known Member

    Settings -> About Phone -> System Updates -> Update Profile / PRL
  25. jsanta11

    jsanta11 Member

    I was at 48% and dropped to 35% quick .. Thanks for the tip ....
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