Warranty: 

Provide 1 year warranty, if there is any quality problem, directly replace with new one, no need to return the defective product.

Quality Control: 

All screens are tested with real motherboard before shipping to make sure all functions work properly. Test videos can be sent if needed. Grade AAA.no dust,no dead pixel,no scratch on front glass panel,no burn-in problem(for amoled screen),no frame problem,no backlight problem. We Only Supply Grade AAA Screen.

Warm Tips:

Before the screen is installed, the first thing to do is to conduct a touch screen test: to ensure that both the LCD display and the touch function can work properly.