iPhone 7(+) My first iPhone 7 battery shutdown happened today

Discussion in 'iPhone' started by BootsWalking, Sep 30, 2018.

  1. BootsWalking macrumors 65816

    Joined:
    Feb 1, 2014
    #1
    Have owned my iPhone 7 for two years. Today the phone shut off unexpectedly, and when I went to turn it back on I got the battery depleted icon. Waited a minute and tried again and the phone came back up with a 52% charge. This is exactly what used to happen on the iPhone 6S I owned, a problem that is well known and presumed to be related to that design having a peak power demand greater than what an average worn battery can supply and thus the phone momentarily doesn’t have enough power to run.

    Has anyone else seen this on their iPhone 7? Coconut battery reports 560 recharge cycles and my battery health is at 85%. I was planning to take advantage of the $29 battery replacement that Apple offers on the iPhone 7 through December of this year anyway but was curious if others have seen shutdowns on their 7/7+.
     
  2. tonybarnaby macrumors 65816

    Joined:
    Dec 3, 2017
    #2
    What does the battery health tab say? Isn’t there some info that explains that it did indeed shut down unexpectedly? I could have sworn it will alert you to this once it has happened at least once.
     
  3. BootsWalking thread starter macrumors 65816

    Joined:
    Feb 1, 2014
    #3
    I’m running iOS 10.3.3 so I don’t have the battery health tab or the associated alert. I got the battery health information from Coconut Battery.
     
  4. akash.nu macrumors 604

    akash.nu

    Joined:
    May 26, 2016
    #4
    Update to iOS 12 and see what it says. iOS 12 is really good on older devices.
     
  5. AppleHaterLover macrumors 68000

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    Jun 15, 2018
  6. bruinsrme macrumors 603

    bruinsrme

    Joined:
    Oct 26, 2008
    #6
    Let me guess you don’t have a back up either.

    Update to 12, back up, see what the batter life tab says, call 1-800-my-apple and ask the specialist to run a remote diagnostic.

    Keep in mind the battery program ends 12/13/18
     
  7. BootsWalking thread starter macrumors 65816

    Joined:
    Feb 1, 2014
    #7
    iOS 12 is very good compared to iOS 11 but from what I've tested it doesn't offer nearly as much improvement over 10.3.3 in terms of performance. That said, I'm still debating an upgrade for my phone. I do run 12 on my iPad 6th gen though.
    --- Post Merged, Sep 30, 2018 ---
    I do monthly backups of my phone so not sure what lead you to that conclusion. I'm planning to swap the battery out anyway before the program ends and still debating whether to upgrade to 12. The only upside I see in contacting Apple and running the diag would be to get a free battery instead of the $29 offer but from what I've read a free battery is only available to 6/6s units.
     
  8. akash.nu macrumors 604

    akash.nu

    Joined:
    May 26, 2016
    #8
    Alternatively, if you have a Mac then you can use coconut battery to check your battery health and get it replaced by Apple while the discounted pricing is still available.
     
  9. BootsWalking thread starter macrumors 65816

    Joined:
    Feb 1, 2014
    #9
    Coconut is what I used. And Apple offers the discounted price irrespective of whether your battery passes or fails the diagnostic or above/below the 80% health threshold.
     
  10. akash.nu macrumors 604

    akash.nu

    Joined:
    May 26, 2016
    #10
    Yeah indeed. Probably just better to get it replaced regardless.
     
  11. lostOzone macrumors newbie

    Joined:
    Oct 18, 2017
    #11
    Apple require the latest iOS version to replace the battery..
     
  12. pika2000 macrumors 601

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    Jun 22, 2007
  13. AppleHaterLover macrumors 68000

    Joined:
    Jun 15, 2018
    #13
    I have asked this around but still don't have an answer:

    Back in 2009-10 when iOS updates rendered mixed results, we used to save the SHSH blobs so we could downgrade as needed.

    Is this still a thing? So people could stop whining about trying to solve issues that come from them using jurassic iOS versions that could be solved by upgrading.
     
  14. akash.nu macrumors 604

    akash.nu

    Joined:
    May 26, 2016
    #14
    Not anymore I think.
     

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13 September 30, 2018