My Samsung S6 screen flipped from right to left, how can I set it correct?

[AC Question]

my samsung 6 galaxy screen flipped from right to left

i bought S6 from US , using it in qatar , after getting it unlocked , i am having problem with screen , its flipped from left to right , if i am using the icon on one side of screen the one on other side will be operated , even the keyboard , pressing letter L , types as A.
all other function are ok , but screen is driving me crazy
need help please

 

[belodion]

my samsung 6 galaxy screen flipped from right to left

I don't know of any settings that would cause that, even in Developer Options. It may be worth contacting Samsung customer support for advice.