Here is the reason for excessive battery drain(probably)

Discussion in 'iOS 7' started by Poly, Sep 22, 2013.

  1. macrumors 6502

    Joined:
    Jul 14, 2013
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    Germany
    #1
    So i tried everything written here to improve my battery life. Nothing helped.

    BY ACCIDENT i turned off the mobile data network(not 3G) and had only wifi turned on.
    And BOOOM my 4S runs as long as with iOS6!

    This basically shows that there is a bug in iOS7 with handling wifi/mobile data settings.

    Maybe someone can try this out and confirm my findings.
     
  2. Moderator

    SandboxGeneral

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  3. macrumors 6502a

    MinEderPlayz

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  4. macrumors regular

    adamgbiggs

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  5. Moderator

    SandboxGeneral

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    #5
    Yeah, okay I see it now. I don't have my glasses on.
     
  6. macrumors 6502a

    MinEderPlayz

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    #6
    I think I read somewhere iOS 7 supports MCTCP so multiple connection types. If it is on WiFi it will still look for a fallback cellular network as soon as WiFi fails for a short time.
     
  7. macrumors member

    Joined:
    Feb 13, 2013
    #7
    Sure you dont

    OP: I will give this a try
     
  8. macrumors 6502a

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    Sep 10, 2013
    Location:
    Ottawa, Canada
    #8
    I had to "Reset All Settings" and "Reset Network Settings" for my 4S to have the battery life that it did on iOS 7.

    I'm wondering if this resets the cellular data bug that's eating up the battery.

    Definitely worth a try!
     
  9. macrumors 6502a

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    Apr 16, 2010
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    Chicagoland, IL
    #9
    The multiple TCP thing I thought was for SIRI though since it needs to find the best way to get some of your voice data to servers for processing. Whether that be cellular or WiFi if available.
     
  10. thread starter macrumors 6502

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    #10
    When you are on the go you'll have to turn off wifi and switch mobile network on, of course :)
     
  11. macrumors 6502

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    Jul 29, 2013
    #11
    Yeah it does save a lot. I've been doing this since the betas.
     
  12. macrumors 6502

    chriscl

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    Nottingham, England
    #12
    When I upgraded to iOS 7, as soon as I rebooted my iPhone picked up a Cellular Network settings update (my network is EE in the UK).

    I'm getting battery life just as good as I did on iOS 6 on my iPhone 5.
     
  13. thread starter macrumors 6502

    Joined:
    Jul 14, 2013
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    Germany
    #13
    Well since my battery just instantly went from 22% down to 14% i don't know if my claim is true :/
     
  14. macrumors newbie

    Joined:
    Sep 8, 2010
    #14
    I'm on an iPod Touch with no cell, obviously, and the battery drain is evident to me. So I don't think it's (solely) attributable to Cellular management.
     
  15. macrumors 68020

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    Oct 18, 2009
    Location:
    Belfast, Ireland
    #15
    Breaking news, turning off features saves battery life. Who'd have thought it?
     
  16. macrumors member

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    Sep 8, 2012
    #16
    i thought this too. has anyone else noticed that wifi doesn't disconnect the way that it used to in 6.1.3 when screen is inactive? Perhaps apple need to work on a power save feature (oh please god).

    timeout wifi / cellular data when screen inactive > defined period. I'd happily take a hit on push if it meant longer talk time and sms notifications until I checked my phone again.
     
  17. macrumors newbie

    Joined:
    Sep 22, 2013
    #17
    It's to the point now where I don't even use my 3G phone service any more. Too much charging.

    Yes, now I am using an iPhone 5 with airplane mode and wifi everyday and VOIP wifi calling and texting.

    Yes.
     
  18. macrumors regular

    lobeyonekenobi

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    Location:
    Melbourne, Australia
    #18
    Same here seems to be going down a bit quicker:mad:
     
  19. macrumors regular

    webitorgal

    Joined:
    Mar 9, 2011
    #19
    Tried pretty much everything. I think it's an app issue (but I just can't isolate which one - people seem to say FB, though) as I had decent battery life on Thursday and Friday, but things became worse on Saturday (as noted in other threads). I am pretty sure I updated a few apps either Friday evening or Saturday morning.
     
  20. macrumors 6502a

    Joined:
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    Toronto
    #20
    I agree, when i first updated, battery life tanked on my ip5. Then all the apps updated and battery life was good. So i think some of if has to do with app compatibility with ios7. I got 8 hrs of use till I charged it at 29% last evening.
     
  21. macrumors 65816

    nooaah

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    Philadelphia, PA
    #21
    Could be background apps? My battery life over several devices (iPad Mini, iPhone 4, iPhone 5, iPhone 5s) has been outstanding with iOS 7. I used my 5s literally nonstop for 4 hours and it still had over 50%. The only thing that really kills it is Infinity Blade 3.
     
  22. Moderator

    SandboxGeneral

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    #22
    If I recall correctly, under iOS 6 I had the auto-brightness turned off and kept it around 50% - 60%. I discovered the other day that auto was turned on in iOS, so I turned it off and set the brightness back down.

    So far it seems to be holding up better. I would turn it down, then later the auto would turn it back up and I think that's where my drain was coming from.
     
  23. macrumors 6502a

    Yptcn

    Joined:
    Aug 24, 2012
    Location:
    Paris
    #23
    As far as I'm concerned turning off the parallax effect has changed my battery in a huge way. After a bit over 3h standby and 30mn of use I'm still 100%

    OK , I know 30mn of use isn't much , but still much much more that what I got before turning parallax off… and I can put my own photos as screens :cool:
     
  24. Moderator

    SandboxGeneral

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    #24
    I had the opposite effect, turning parallax off didn't make any noticeable difference.

    I wish these issues were more consistent. Too many of us have varying things that make a difference.
     
  25. macrumors member

    Joined:
    Apr 20, 2012
    #25
    Somehow iOS 7 turned back on some of my mail fetch settings. I have it set to manual with no push and and fetch. After discovering this, I regained what I thought was battery loss due to the upgrade.

    After fixing this issue, battery life under iOS 7 has been pretty outstanding for me (using iPhone 5 64gb serial: 1G series).
     

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