@arubislander Thanks, but even with a very large screen it does not work.

Re: Camera front does not focus.

I tried to take pictures of QR codes in Authenticator NG. Well, the picture is very blurry and the focus cannot be done manually. So, the picture cannot be taken. After opening the camera app the picture is blurry too, but I can tap on the picture and the picture is sharp then. This cannot be done in authenticator NG. Any ideas?