1, the liquid crystal molecule is broken. Don't let the phone be touched and squeezed during this time. It will be fine in a month, and the liquid crystal will fill automatically. If we don't protect it, it will get bigger and bigger and it will be hopeless.

2. Check whether there is a cable problem. If only it were a new cable.

3, it should be some bad points, or there is something wrong with the theme of the mobile phone. Change the theme to see if there is any, which means that your mobile phone screen is broken, or your mobile phone LCD screen is damaged, so you can only change the screen.