Have you ever seen anything like that? Please see video: https://youtu.be/g5YcAbvpR1I One day I noticed I have problem choosing some items from menus if they are located at certain height from the top of the screen. I needed to scroll the menu down or up to choose those items. I never had that probl...

I don't have any experience with win 10

I'm glad thad it helped you

You said touchscreen in TWRP does not react? So I understand it means you cannot use the items in TWRP, because it is a common problem. You solve this problem by using a mouse.

Connect a computer mouse to the phone, it works.

Admin does not need to be a technician - but he should contact technicians and try to find some solution and publish it here.

This is not a cable, I checked and reconnected all cables. This possibly could be a shortcut or blown fuse, but confirming or repairing this is beyond my abilities. Seller is behaving in a similar manner as admin here - avoiding straight answers or ignoring my messages. I know I can buy a replacemen...

The screws on the back side are common hexagonal sockets (allen key) 1,5 mm

I agree with you, this does not seem to be just software bug. I tried downgrading to android 6, then installed android 7 again, but there is no change. But the problem happened just ater first installing android 7, and that is why I keep asking what could possibly cause it, what I can do about it an...

This is not the problem we are discussing in this topic.

My problem is dark screen and after images, as I presented in the pictures at the beginning.