Samsung SM-S921U - Page 15

Quality Test
15
Touch screen
•
Function: Check whether the touchscreen is
working normally.
•
Provided information
‒
Status: View whether the feature is working
normally.
Buttons
•
Function: Check whether the buttons are working
normally.
•
How to check:
Press the buttons by following the directions on
the screen.
•
Provided information
‒
Status: View whether the feature is working
normally.
‒
Button types: View the status of each button.
Make sure that the buttons are not
contaminated to get more accurate test results.
Torch
•
Function: Check whether the torch is working
normally.
•
Provided information
‒
Status: View whether the feature is working
normally.