iPhone 6 battery dies in cold weather

Battery dies on my iPhone 6 in cold weather. Phone is about 15 months old, and dies from good battery 50% to 30% down to nothing and auto switch off. ON normal weather the battery is still very good and doesn't show sign of weakening on any normal day. But if it is cold outside, phone will dye in minutes if used outdoors. I first noticed when we went skiing around -5C (20-25F) and it was really bad there. But now it started doing it when it's around +5C (41F) shutting the phone down from 30% battery. When I plug it in, it immediately turns the phone back on and shows 25 or 35% remaining....

Anyone? Design issue? Specific app to kill? Running iOS 9.3, but it was already doing it on iOS 9.2 .... Thanks

Posted on Feb 13, 2016 7:49 AM

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Posted on Dec 12, 2016 6:52 PM

I went through a similar process without all the waiting, shows up for my appointment and in less than 10 minutes explained the problem and they ordered a battery. I was told the same thing that it would be at least 2 weeks but I happened to be there a week later and asked if they had a battery in and as luck would have it they did and in an hour and a half my battery was replaced and my phone works great. Best of all it lasts all day and doesn't die in the cold!

340 replies

Jan 18, 2017 8:52 AM in response to Csound1

Jan 18, 2017 6:50 AM Re: iPhone 6 battery dies in cold weatherin response to marktso

marktso wrote:


I think it's excellent that Apple publishes the operating temperature. This says that if I put my phone in the refrigerator for a while (above freezing, temperature controlled, easily measured), it has to continue to work. I will do this as soon as I can. Might be interesting if we got a larger sample size to do the same.

Putting it in such a wet environment is also not good for it.


Good point. I have no desire to sacrifice my $600 phone for the sake of an experiment so I will use a plastic baggie.


According to their specs, it should be fine.


Environmental Requirements

Relative humidity: 5% to 95% noncondensing

Jan 18, 2017 1:00 PM in response to Trueimage1

I think the problem is more nuanced than that - it seems to get worse with age and at about 15 months goes very quickly from showing a charge to dying When exposed to temperatures that should be within its operating range. Don't other phones have lithium batteries? It seems to be specific to the iPhone 6 and 6S. Thanks CSound1 - posting again https://www.apple.com/support/iphone6s-unexpectedshutdown/

Jan 29, 2017 12:59 PM in response to Alx2011

I came across your post when trying to find out what to do about mine, experiencing the same issue with anywhere from 30-60% battery left...

I have a 6, but if yours is a 6s, you may qualify for a battery replacement like my friend did - check with your serial number here: https://www.apple.com/support/iphone6s-unexpectedshutdown/ (Sorry if someone else already shared this)

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iPhone 6 battery dies in cold weather

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