Hi Samsung 20+ keep Minimises my screen when streaming on all apps

[dragons13150718]

When I watching something on netflix or tenplay or sbs on demand any streaming the screen will just happen so I hit the arrows to make it go back at first thinking I much have bumped but now it happen 5 6 times in a 30min show it drives me mad I just don't know how to fix this

 

[mustang7757]

Hi, welcome to AC!
have one handed mode enable ?

 

[dragons13150718]

How do I find out if I do?

 

[mustang7757]

How do I find out if I do?

Go to settings >advanced features>

 

[B. Diddy]

Welcome to Android Central! Are you using gesture navigation or button navigation? If the former, is it possible you're accidentally doing the Back gesture?