Erratic battery percentage drops on iPhone 6

Discussion in 'iOS 10' started by iris7ny, Dec 28, 2016.

  1. iris7ny macrumors member

    Joined:
    Nov 19, 2015
    #1
    I've been noticing sudden drops of 5-10% at a time since I updated my iPhone 6 to iOS 10.2.1 beta. Usually it drops by a percentage or two at a time but now it's like down to 40% from 50% instead of 49%.
    It passed the battery diagnostics with the current capacity at 93.03%.

    Anyone else having the same issue?
     
  2. mic.julian macrumors newbie

    Joined:
    Dec 28, 2016
    #2
    I also experience high and erratic battery drain on my iPhone 6. It once dropped from 43% to dead. Had to reboot and had only 19% left after that.
    I don’t know if it has to do with iOS 10.2 or with certain apps running in the background but fact of the matter is that battery drain is high and at times sudden.
     
  3. KUguardgrl13 macrumors 68020

    KUguardgrl13

    Joined:
    May 16, 2013
    Location:
    Kansas, USA
    #3
    Not running the beta, but I've seen erratic drops on my iPhone 5 the last couple days. Normally I see some drain using Facebook and occasionally playing Pokemon go, but today it dropped from 75% down to 1% in a matter of minutes. Not sure if this is because of 1) 10.2 2) App updates the are more resource heavy 3) my phone is just getting that old (though I replaced the battery just over a year ago!) 4) I'm visiting my family for the holidays, and their wifi is horrible.
     
  4. jbindy1 macrumors member

    jbindy1

    Joined:
    Jul 1, 2015
    Location:
    Indianapolis, IN
    #4
    My 6s plus dropped from 75 to 20 percent and all I was doing was on safari
     
  5. iris7ny thread starter macrumors member

    Joined:
    Nov 19, 2015
    #5
    I use Safari for most things on my iPhone 6 instead of all the needless apps. For me the drops aren't consecutive and I've had it drop two points before, which still happens.
    Now, it drops from 30% straight to 20% in just a couple minutes and I'll see the Low Battery warning. I've tried calibrating, ran diagnostics but nothing seems to do a damn thing. I don't remember the case with 10.2 though
    --- Post Merged, Dec 28, 2016 ---
    I had my bluetooth ON and connected to Mi band 2, which kept hogging on the battery, while I was running 10.2. Had them run the diagnostics several times but it came back fine both with 10.2 and 10.2.1.

    So cannot really confirm if it's been the case since 10.2 or just introduced with 10.2.1.
     

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