IPhone 7 battery life on 10.3.2

Discussion in 'iOS 10' started by chillip, May 20, 2017.

  1. chillip macrumors 6502

    Joined:
    Mar 16, 2013
    #1
    im finding battery life is really poor on 10.3.2. Standby is poor, losing 20% overnight and it goes quickly during usage compared to 10.3.1. Anyone else?
     
  2. chscag macrumors 68000

    Joined:
    Feb 17, 2008
    Location:
    Fort Worth, Texas
    #2
    That doesn't sound normal. Backup your phone to iCloud or iTunes and do a reset with iTunes. You'll have to turn off "Find My iPhone" first. Make sure you have your Apple ID and Password on hand. If that doesn't cure the poor battery life after reloading everything, you might want to visit your local Apple store and have them check out the battery.
     
  3. monnyblack1 macrumors regular

    monnyblack1

    Joined:
    Jan 24, 2016
    Location:
    meridian ms
    #3
    I downgraded back to 10.3.1. This new update wasn't working for me. Battery was not good at all on my 7 plus
     
  4. chillip thread starter macrumors 6502

    Joined:
    Mar 16, 2013
    #4
    I've found the issue. Low signal. The phone lost 20% overnight when it was in a low signal area while on holiday. I put the phone in airplane mode with wifi And it only dropped 2% overnight.
     
  5. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #5
    Low signal is the silent killer of batteries. I've had my 7Plus drain from 100->0 in 4 hours from low/no service.
     
  6. chscag macrumors 68000

    Joined:
    Feb 17, 2008
    Location:
    Fort Worth, Texas
    #6
    I don't do a lot of traveling around with my 7+ and work mostly out of my home office. I keep my phone on WiFi calling and get very good battery life that way. I do agree though with the previous post about low signal draining your battery.
     
  7. BruiserBear macrumors 6502a

    Joined:
    Jul 24, 2008
    #7
    I've definitely noticed worse battery after 10.3.2.

    Not shockingly bad, but I'd say 10% worse than it was before this update. I'm easily getting an hour less per charge. iPhone 7 user.
     
  8. Jmgilliam18 macrumors member

    Jmgilliam18

    Joined:
    Apr 24, 2017
    #8
    Well crap I got notified just now of update to 3.2 available.... I may just keep it on 10.3.1 for now.
     
  9. kingston73 macrumors 6502

    Joined:
    Dec 23, 2015
    #9
    Not an iphone but I updated my air 2 and after 2 days reverted back to 10.3.1

    The 2 days I was on 3.2 I averaged a few hours less time than previous. Before the update, on 3.1 my standby time was great, overnight I'd lose nothing and it would still show 100%. After the update same exact scenario I'd wake up and it would be around 93%, just from sitting overnight.

    Whatever's wrong with 10.3.2 it needs some work. I'll wait a while before updating again.
     
  10. Jmgilliam18 macrumors member

    Jmgilliam18

    Joined:
    Apr 24, 2017
    #10
    I did read somewhere that for a few days it will be worse while indexing the new iOS and then it will straighten out and be normal. I don't know though, new to iOS. Android was that way though.
     
  11. DaPizzaMan macrumors regular

    Joined:
    Jun 14, 2016
    #11
    It shouldn't even drop 2% overnight...
     
  12. TheArcher macrumors newbie

    Joined:
    Jan 16, 2014
    #12
    iOS 10.3.2 is definitely buggy and is causing battery drain for a number of folks. My battery life is simply terrible since upgrading to the new release. I am anxiously awaiting 10.3.3 in which I have heard Apple has a 'fix.'
     
  13. robes1 macrumors newbie

    Joined:
    May 20, 2016
    #13
    Care to comment on the fix you've heard about? I'm on 10.3.2 and my battery life is horrible. Contemplating going back to 10.3.1 which wasn't that great either. I really hope Apple fixes this.
     
  14. Daniel80 macrumors member

    Daniel80

    Joined:
    Jun 5, 2016
    Location:
    Romania
  15. Jmgilliam18 macrumors member

    Jmgilliam18

    Joined:
    Apr 24, 2017
    #15
    Count your blessings. I came from android about a month ago and this 7 year kid battery is heaven lol.

    That being said, I haven't upgraded to the .3 yet. Still on 10.3.2
     
  16. bigpoppamac31 macrumors 68000

    Joined:
    Aug 16, 2007
    Location:
    Canada
    #16
    why would a low or no signal drain the battery faster? I'm still hesitant to upgrade from iOS9 to 10 for one reason or another.
     
  17. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #17
    When your service is low, the device is automatically searching for stronger signal. This uses massive power.
     
  18. Daniel80 macrumors member

    Daniel80

    Joined:
    Jun 5, 2016
    Location:
    Romania
    #18
    You measured the current through the battery in that situation or it is just a guess ?
    Give us something concrete
     
  19. C DM macrumors Westmere

    Joined:
    Oct 17, 2011
    #19
    This is something fairly fundamental when it comes to cell phones and has been considered essentially general knowledge for some time now.

    https://www.apple.com/batteries/maximizing-performance/
     
  20. Daniel80 macrumors member

    Daniel80

    Joined:
    Jun 5, 2016
    Location:
    Romania
    #20
    Oh my good. Apple wash your brain.Believe everything written there and take it as a Bible
     
  21. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #21
    Excuse me? Any cell phone works like this. Its been that way for 20+ years. As C DM said, its common knowledge/common sense.
     
  22. Stefan johansson macrumors 65816

    Stefan johansson

    Joined:
    Apr 13, 2017
    Location:
    Sweden
    #22
    I use the latest iOS version possible,as I charge both iPhone and iPad overnight,I don't see battery drain as a major problem,my phone still works for 3-4 phone calls,about 15 minutes of mail checks or newsfeed reading,and 8 hours of music listening. The iPhone 6 I got,does go down to about 8-15 percent battery after all that,but still,it's ok for me.
     
  23. C DM macrumors Westmere

    Joined:
    Oct 17, 2011
    #23
    Simply linked to Apple as it's a single most relevant example given that we are talking about iOS devices. It's basics of electronics and signal processing. Similar (in context) to effects heat or cold can have on chemistry of batteries, for example. Not much to question there when it comes to fairly basic science--but it sounds like some (even limited/basic) research on the subject would be advisable.
     
  24. Stefan johansson macrumors 65816

    Stefan johansson

    Joined:
    Apr 13, 2017
    Location:
    Sweden
    #24
    It's not the batteries that cause weak signal,it's weak transmitters. Old phones like Nokia 3310 or Ericsson r232 does not have the connection problem,as transmitters in GSM phones are set to higher output power,the 232has about 6 or 7 times the output power of any iPhone.
     
  25. Mlrollin91 macrumors G4

    Mlrollin91

    Joined:
    Nov 20, 2008
    Location:
    Ventura County
    #25
    I think you misinterpreted what he is saying. Obviously the battery doesn't control signal, but battery life is based on signal strength.
     

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