Install iOS 10.2.1 If You Own an iPhone 6 or iPhone 6s
If you own an iPhone 6 or iPhone 6s and you want to fix or prevent unexpected shutdown issues, you probably should install iOS 10.2.1 right away.
For several years now, iPhone users have been complaining about unexpected shutdown issues plaguing their device. The device goes dark and it requires the user to plug it into a charger in order to use it again. It's a frustrating issue.
According to Apple, the iOS 10.2.1 update has reduced unexpected iPhone 6s shutdown issues by 80% and 70% on the iPhone 6. Big numbers.
The company also notes that it "also added the ability for the phone to restart without needing to connect to power, if a user still encounters an unexpected shutdown." This feature is available on the iPhone 6s and iPhone 6s Plus.
The iOS 10.3 update for iPhone 6 Plus and iPhone 6 will reportedly deliver this auto-restart feature to the larger models.
So, if you are experiencing this issue on your iPhone 6 or iPhone 6s or if you simply want to prevent it from happening, think about installing iOS 10.2.1 today.