The mobile phone screen is divided into 3 layers, the outer glass protective layer, the middle touch layer, and the lower display layer; if the inner screen is broken, the phone does not display,lcd manufacturers， but the touch layer can be used to operate, if the outer screen is broken, the screen does not respond , but the display is normal.
If the inner screen is broken, the phone does not have any display, but can use the touch layer to operate. If the external screen is broken, the screen does not respond, but the display is normal;
Today's mobile phones all fit the screen completely. The screen is divided into 3 layers, the outer glass protective layer, the middle touch layer, and the lower display layer. Even if only one of them is damaged, the entire screen module needs to be replaced. Repair is impossible.
like：
How to open the glue on the mobile phone screen
How to remove streaks from your phone screen
Reasons for white dots on mobile screen
| 