When i open some photo or watching somthing i see the keyboard on backround i will upload the photo to show you this errorFoucs and zoom in you will see the keyboard
Head over to the dial pad and type in *#0*#, from there select the Blue, Red, Green and Black options.
Can you see the keyboard on these screens?
Say "hello!" and Introduce Yourself, or virtually hangout in the Samsung Lounge
Yse i can see the keyboard also on green , blue and red also sir 😞
Thanks for confirming @Enmosa
I'd recommend getting your phone inspected by an engineer.
Find your nearest Support Centre HERE.