Ios 10.2 draining battery FAST!

I installed IOS 10.2 on 12/12/16. Phone was 100% charged at 7:00 pm; at 4:00 am on 12/13/16 the battery was completely discharged.


What changed in IOS 10.2 to affect battery usage like this?

iPhone SE, iOS 10.2

Posted on Dec 13, 2016 1:43 AM

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443 replies

Dec 21, 2016 1:19 AM in response to thosflint

Same issue here with a iPhone 7 Plus....a few days after installing 10.2 and my phone ran REALLY hot and plummeted from 100% downwards to 6% before I plugged it in.

Normally after a day at work I get home with between 50-60%, now I have to plug in before lunch as it starts hitting 30% and then have to plug it in again when I get home.

At first I thought it might have been Facebook, but after deleting for a day it still drains super quick.

The worrying thing is I can only see a handful of comments on the web, and even not many replies to this thread.

Why isnt there more noise if it is a 10.2 issue?

Maybe it's another rouge app?

BTW - I have completed a restore and still doesn't fix the issue.

Dec 22, 2016 2:52 AM in response to thosflint

I have successfully fixed this issue on my iPhone 7 with 10.2, although a bit of a pain.


Someone suggested I might have a corrupted app from a reinstalled back up, and they may have been right. Maybe this app had a conflict with 10.2?


So, as a pain in the backside it is, try doing a clean instal and set up as a new phone, and presto draining battery issued solved.

Dec 22, 2016 4:59 AM in response to thosflint

Update on my two phone I went to the Apple Store yesterday and was instructed to wipe the phone clean and do a clean install of the iOS and not install my clouds backup of my phone so I went ahead and tired it and now the battery does not drain as quickly. Side note there was quite of few people there with the same problems as me and they where all told to do the same thing.

Dec 22, 2016 3:43 PM in response to thosflint

Iphone 6S Plus is doing the exact same thing, I barely installed the new ios10.2 last night and my battery is taking alot longer to charge. When it does charge to 100% after like 4-5hrs it drains down to 75% in a matter of minutes. This was certainly not how it was before this ios update. I know how much I use my device and usually about how much time is left before I to think about re-charging. I already went through the entire battery save checklist of removing all the background app refresh. Turning off all privacy and diagnostics and all the new stuff added that was not there before in previous version of 10, not 10.1 either. I know I am not the only one having this issue because I have been on a lot of forums today and it seems that this is quite widespread across the 6s+ platforms. I need my phone back to the way it was where the battery life could last 1-2 days without a single charge. I hope this is not a gimmick in getting people to trade in their old phones to get the new iphone 7....

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Ios 10.2 draining battery FAST!

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