When buying a phone you can check your phone screen has dead spots, bright spots to see if there are errors or not?
How to check Samsung Galaxy Note 8 screen according to the following instructions:
Step 1: Download the Antutu application, open up and select "Sreen test".

Select "Sreen test".
Step 2: Select "Test LCD".
![How to test Samsung Galaxy Note 8 screen]()
Select "Test LCD".
Step 3: Tap the screen repeatedly to switch to many different colors to check if there are any abnormal points.
![How to test Samsung Galaxy Note 8 screen]()
Touch the screen repeatedly.
Step 4: Complete.
![How to test Samsung Galaxy Note 8 screen]()
Completed.
Your complete setup is complete, I wish you success.