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 Nov 16, 2017 5:39 PM

SUCCESS AT LAST!!!. Ok a little over a year ago when the problems started, post iOS9, cold weather and slowing down, I had my battery tested at the Apple Store. It checked out fine, so the tech said to wipe out the phone and reinstall from back up. That sped up the phone but no joy on the cold weather problem. Fast forward and the phone slowed more and more with each iOS update. Anyway, I reset the phone again and then made an appointment at the Apple Store to replace the battery. Well the battery failed and I have now replaced it. THE PHONE IS NOW FASTER AND I JUST TOOK MY DOG FOR A 1/2 HOUR WALK AT -11C OR 12 FAHRENHEIT STARTED WITH 97% MADE A COUPLE OF CALLS AND GOT BACK WITH 92%!! I EVEN HELD THE PHONE OUT AND NOT IN A POCKET FOR 15MIN. PROBLEM SOLVED EVERYONE.

340 replies

Jan 9, 2017 1:21 PM in response to Alx2011

I have been following this thread since my original post - a few things:


Clearly the iphone 6 batteries work well in cold weather when NEW - myself and others posting here had no problems with them last winter, even when using them near or slightly below the temperature range apple has available for the product.


It seems that after a while the batteries wear out, but only to the point where they are affected by 'cold' weather - even ABOVE the lower limits posted by apple. Lithium batteries wear out with repeated use/charge cycles - this is annoying, but is no surprise to people who understand these things better than myself.


It will be very difficult to know if the batteries wear out faster than they should, because the issue is only realized in colder temperatures often well after the warranty expires. in retrospect, i should have got my phone near (but not lower than) the acceptable lower use temperature limit before the warranty expired to see if the battery could handle it, but i and others obviously did not do this - and why would we, we had nothing to suspect? Especially for those of us who have had multiple older iphone models that survived many years/winters without this issue. We have come to depend on, and even praise, the reliability of iphones through years of experience using them. i can no longer depend on my iphone battery and will need to get a new one. I will be very closely monitoring it with scheduled testing afterwards and will report back.

Jan 11, 2017 11:02 AM in response to wild_public

Normal range is 0 to 35 degrees (Celsius), and there are many posts here that reference using it outside that range, if you iPhone does not work at temperatures within the normal range, take it back to Apple for service or battery replacement.


"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"


According to Apple, iPhones have an operating temperature ambient situated between 32° and 95° Fahrenheit, that's 0° and 35° Celsius. The manufacturer also provides information about a non-operating temperature interval ranging between -4° to 113° F, that's -20° to 45° C.Nov 29, 2014

Jan 12, 2017 10:20 AM in response to Alx2011

I have been experiencing the same issue the last couple of weeks. I live in Denver, Colorado, so temperatures fluctuate greatly in the winter. I first noticed the problem on Jan 3, with temps in the low 20s. It continued on Jan 4 with single digits and Jan 5 in the low teens (Fahrenheit). It did not happen on Friday, Jan 6, because it was about 50 degrees. It continued Tuesday this week (low 30s) and today (20s). I am definitely noticing a cutoff at about 40-45 degrees F.


My iPhone 6 (128 GB/iOS 10.2/16 months old) shows good battery power (usually 85%+) one moment, and the next, I get the "low battery" error, often with 1% battery power. I have a portable charger, sometimes when I plug my phone into the charger (or into an outlet when I get to work), it shows almost the full amount of battery charge prior to the moment when it dropped.


Even if Apple gives the "optimum operating temperatures" at 0 - 35 C (32 - 95 F), they need to do better. Most of their customers, both domestically and internationally, are going to be dealing with temperatures either below or above that range for significant parts of the year. If their phones are not going to work outside of that temperature range, they are more of a "spring/fall" phone.

Jan 13, 2017 9:40 AM in response to Alx2011

Yes spent 1 hour scoping snow was 10 degrees and then was walking to an elderly lady's house to help her. Went to call wife to let her know where I would be and I pone 6s went black nothing worked Came inside just now no button worked waited 5 minutes pushed power button pops up and battery showed dead so plugged in and it turns on showing 65% scharged and now working

Jan 15, 2017 4:48 AM in response to Alx2011

My battery on my 6 plus is doing the same, only I live in Florida and it doesn't get colder then the high 50's. It's been doing that since the summer. My battery will be at 40% and then say it's at 10% and shut down. I'll plug it in, and it'll turn back on at 40%. My ex-husband has the 6 and this has been happening to him for a couple months as well.

Jan 15, 2017 9:26 AM in response to Alx2011

I experienced the same yesterday with my iphone 6 plus which is cca 2 years old, it happened during skiing. I was unavailable a couple of hours (and couldn't listen to my music via my BT Outdoor Tech chips in my helmet) and after going to a warm room and warming it up it started back @ cca 32 % batery.

Luckily I still have a Lumia 920 - will use it for skiing from now on, and when the time comes for a change, I will say goodbye to apple iphones.

Jan 16, 2017 10:05 AM in response to mcbandeira

Hi sir


I am using iphone 6s plus. Cold weather is the only problem. Even i am facing he same problem. Mine like charged at 68% left and when i go out the outside temperature is -2 to -5 and battery Starts draining dramatically.

Problem is the battery being Used by the iphone can't cope up with the cold temperatures as soon as the phone gets cold battery drain and within few minutes it shows that there is no battery left.

When the temperature comes Normal then it starts again.

Iphone battery got not capabilities to use in this temp. And i am really ****** off. My phone is 13 mo ths old.

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iPhone 6 battery dies in cold weather

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