SISSFO-Tagital A20 Touch Screen / Panel Glass Screen Digitizer Replacement New Orignal(Non-OEM), Grade A Touch Panel Replacement for cracked, damaged, defective, abnormal touch function It will work on Tagital A20 7inch tablet PC Please double check the size and flex cable before order. NOTE: There are two layers of screen for a tablet. The one on the top is a touch panel, which works for the function of touch. The other below is the LCD screen, which its function is for displaying graphic. This item is just the outside touch screen, it only help you out if your tablet is abnormal in abnormal touch function. If your tablet got a problem in displaying graphic, please buy a LCD display screen.