OEM Display Digitizer Replacement with Frame For Xiaomi Redmi Note 9

Structure Test 
& Cosmetic Inspection

-Measure thickness, width, and length

-Check LCD frame assembled well, screw hole aligned well

-Check whether the surface of the glass lens damaged or scratched

-Check whether the flex cable is broken or damaged

-Check the backlight welded firmly

Function test

-Test whether the pure color display normal or not( pure color display should be no dead pixel, no dust)

-Test touch function by moving icons, typing

keyboard

-Test 3D touch function and sensitivity

-Test backlight brightness