ASUS - ZenTalk

I've asus zenfone max pro m1...n as soon as I switch to video mode a blueish strip appears on screen ...any solutions...it doesn't come in camera mode

im using asus zenfone max pro m1 32 gb and facing storage issues i bought a new 32 gb sandisk sim card but many times mobile dosen't aknowledge sim card {it works well in other mobiles} but thats not it.. i'm unable to track what causing my storage...