google play crashes

I set up a 4 digit PIN and fingerprint scan on my Redmi 3 Pro. One day, my PIN stops working and I can only unlock my phone using the finger print scanner. I do not have the option for 'Forgot Pin/Password' on the PIN input page. It seems like a system issue where my PIN changed. I tried to...

Hello! Recently I bought Redmi 4. I managed to unlock bootloader, install the TWRP and then install the EU MIUI version 6.12.22. The strange thing was that there were quite some bugs as follows: - in camera app, when I made a picture, this picture wasn't saved. In the app it said something...