Your battery is swelling most likely, causing pressure on the screen resulting in those buttons not working. Seen it many times. As soon as you release the pressure by popping e back off it will return to normal.
If its unlocked you can use a screen orientation app that will flip those buttons to the top and they will work.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.