[How-to Guides] [Galaxy S8/S8+] Why do the upper and lower parts of screen appear black color and not in full screen when using some downloaded applications?

Last Update date : 2017.06.28

STEP1. Tap Settings.

 

 

 

 

This is a normal operation caused from Google’s CDD(Compatibility Definition Document)
policy and you can adjust manually by
application type.

 

 

 

1 

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