Usage:
Remove the rear shell of the mobile phone, separate the camera from the rear shell;
Heat the damaged IPhone8/8p/ X glass back cover with a hot air gun to adjust the proper temperature until the hot hand, about 50 degrees centigrade;
Drop the solution into the crack with the needle tube, then every 5-6 seconds it can be shoveled out one by one with a piece of knife,again and again until all can be cleaned.