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After my iPhone 6S Plus was in cold weather -8*C Skiing with the iPhone near my body, my iPhone loses battery very quickly, decreases by 1 percent per 15 seconds just on the home screen with no apps open. Every few seconds of use the iPhone screen will go black and a circular loading sign will appear (no Apple logo) and it will go to the password screen soon after. I know that cold weather increases the internal resistance of Li-ion batteries, but surely no permenant damage when it was not even being used?

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you might wanna take this opportunity - Apple have sent a message to their customers offering $29 battery replacements for any and all iPhone 6 / iPhone 6s etc phones that are experiencing crashes/reboots and worse battery life. Hope it helps! The link is at

https://www.apple.com/iphone-battery-and-performance/

Here are the bits that might be of most use to you as information:

To address our customers’ concerns, to recognize their loyalty and to regain the trust of anyone who may have doubted Apple’s intentions, we’ve decided to take the following steps:

Apple is reducing the price of an out-of-warranty iPhone battery replacement by $50 — from $79 to $29 — for anyone with an iPhone 6 or later whose battery needs to be replaced, available worldwide through December 2018. Details will be provided soon on apple.com.

Early in 2018, we will issue an iOS software update with new features that give users more visibility into the health of their iPhone’s battery, so they can see for themselves if its condition is affecting performance.

As always, our team is working on ways to make the user experience even better, including improving how we manage performance and avoid unexpected shutdowns as batteries age.

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  • Good shout. It's worth a go if you cant solve it with a software based approach. If the new battery doesn't solve it, at least it was quite cheap(and professionally done). – Andre Dec 30 '17 at 20:03
  • Have them run a diagnostics test too on it. Any information it provides can further assist others. – Melvin Jefferson Dec 31 '17 at 2:18

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