iOS 11 draining battery...

My iPhone 6 needs to be charged more often then usual ever since the new update... Has anyone else noticed their battery is draining faster with the new iOS 11 update ?

iPhone 6, iOS 11

Posted on Sep 20, 2017 9:10 AM

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Question marked as Top-ranking reply

Posted on Sep 27, 2017 6:35 PM

One step that can ultimately tell if your issue is your actual battery or software is to back everything up to iTunes/iCloud and restore to factory settings using iTunes.


If you restore using iTunes (more specifically iTunes on a computer, not going to Settings > General > Reset), it takes the entirety of your software off the phone and puts a "fresh" copy on. You can then set up the phone as new and sign into iCloud or add your internet accounts to get your contacts etc. back.


If your battery is fine after that then you know that your software was causing the battery drain.


You can call AppleCare and ask them to run a battery diagnostics and don't be surprised when they tell you your battery is fine, because most likely software is causing your battery drain.


I can confirm this works because I had the same issue and tested this per advice from an Applecare advisor and turns out this was true. The last time I backed up my phone was months ago so it was nobody's fault but mine for not backing up information that I needed.


Hope this clarifies things!

74 replies

Oct 3, 2017 4:08 AM in response to Skuya

This is barely aceptable... Mys iPhone 6s is always warm even without any application running, the iOS reset mentionned above doesn't improve the situation even a little bit.

iOS 11.0.1 doesn't change anything either.

I'm at work so I don't use my phone much, few calls, little gaming... it's noon and I'm at 29% despite a fully charged battery at 7 am.

Oct 15, 2017 4:35 PM in response to Skuya

I have a 5s and I haven't used it at all today since taking it off the charge this morning and within 2 hours it was at 58% still didn't use it AT ALL and another 2.5 hours I noticed my Blue tooth earpiece flashing, thinking I was getting a call I couldn't hear, I picked up the phone only to see now it was at 2% battery left!!! I've NEVER had it go this low! ***?!?! like a fool I updated to 11.0.1 then 11.0.2 and now it's telling me to go to 11.0.3 WHY should I? Did the problem get fixed yet?? I'm not seeing anything on this thread stating it's resolved. And Oh yeah, a hard re-setting got it to acknowledge that when I plugged it in, it was supposed to be CHARGING (which it didn't when I saw 2% and plugged it in) but frick! what the ****? I'm thinking time for a change and a totally different manufacturer is coming up soon . Anyone know what's up?

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iOS 11 draining battery...

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