All items will be tested before shipping.1 year warranty.
The screen quality is grade AAA.It shows that the screen quality is perfect. 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.
On basis of full original screen with broken front glass panel,there is only broken front glass panel is replaced by new front glass panel.Core components like OLED Module(OLED,touch tigitizer,flex vable,IC chips) is not fixed or replaced.Therefore, from a professional point of view, its quality(stability,display) is total same with full original brand new screens.