Fix this bz all the c9 pro user are facing this issue with new c9 pro oreo update .we cant downgrade. Bz nougat is good for my c9 pro .but now many issues
Please follow the below mentioned steps in order to resolve the issue:-
1) Adjust the brightness of the device then check (Setting-->Display-->Brightness).
2) Run the device in Safe mode and check the issue.
3) If issue still persists, create data backup and reset the device.
For further assistance, register your concern in Samsung members app(Open Samsung members app>click on “+“icon>send feedback>Error report/ Ask Questions).
Team Samsung Members