“It's the first time it happens to me, after updating to the iOS 10.3.1 the phone started working wrong, the screen freezes, it turns off alone and it opens apps and chats without touching the screen. I tried almost everything but it didn't worked. I'll be very grateful if you can solve it.”
- From Apple Community
It seem that many iPhone 6/6 plus/6s/6s Plus are having the same issue that iPhone screen freezes after iOS 10.3.2/iOS 10.3.1 update. If you are one of them, here are top 6 ways to fix it for your reference.