What do you mean? You can click on the gear on the top right corner of the screen?
it's not there for me
Hmmm... It seems that the resolution is wrong, that's weird. I'll take a look at it. Can you tell me the model of your device?
maybe it's one of those phones that can change aspect ratios by pinching the screen? Like some phones with notch/hole punch cameras can have the screen stop short if the missing area is a bother
it's a galaxy tab E if that is what you mean
it's not there for me