automatic lock, 6s sleeps but then hard reset to open?
Hi everyone, I have had iphone since the first iphone and never had a problem since I bought iphone 6s.
At first everything was ok, but when I upgrade the ios to 11(by wireless,unfortunateley, I know it was a mistake) , then Iphone needs hard reset to open after it goes screen lock. I have to keep the screen alive to keep the device work. I called the customer service, they told me to upgrade ios via computer connected to iphone by wire. I did so couple of times, but no change. What would be the problem? Please help me!
iPhone 6 Plus, iOS 11.2.6