Installation process: 1. It is recommended to heat the rear cover with a hair dryer for 2 minutes 2. Use a pry bar to slowly pry open along the edge of the back cover, push the film against the opening, and slowly pry open other parts (be careful not to use strong force). 3. After opening the back cover, clean up the residual glue 4. Align with the direction, install the purchased back cover, press tightly and wrap with a rubber band for 1 hour Be careful not to exert too much force, so as not to damage the back cover and scratch the hand