iphone backlight and fingerprint flex tester

The tester is your best chioce to check iphone backlight and fingerprint flex.

We all know that is very important put on good quality and working well backlight on LCD, if we put on a bad backlight on a refurbished well LCD , maybe it will destory our before work. The best way is we test the backlight well after put the backlight on the good LCD. By the same token，to check the iphone fingerprint flex is very important too.