iPhone 6, 6s sudden shutdown? We've almost fully cured issue with iOS 10.2.1, says Apple

Apple has almost fixed a power-management issue that

Apple says iOS 10.2.1 has eliminated the majority of iPhone 6s shutdown issues - 9to5Mac

Apple to pay up to $500 million to iPhone users after judge nixes final appeal

Iphone 6s Randomly Shutdown or turns off - How to Fix - Iphone 6s Shutdown Gate

Why does my iPhone shut down out of nowhere and then turn back on? - Quora

How to Fix an iPhone 6s That Randomly Shutdown or turns off

iOS 10 - Wikipedia

Why does my iPhone shut down out of nowhere and then turn back on? - Quora

How to Fix the iPhone Disconnected Error During Backup or Restore in iTunes

iPhone 6 Archives - 9to5Mac

Apple says iOS 10.2.1 has eliminated the majority of iPhone 6s shutdown issues - 9to5Mac

Apple's iOS 10.2.1 addresses unexpected iPhone 6, 6s shutdowns

Apple says iOS 10.2.1 has reduced unexpected iPhone 6s shutdown issues by 80%

How to stop your iPhone shutting down unexpectedly