If it is a plastic shell with no repair value, most of it is ultrasonic welding, and you can't install it back after opening it. Metal should be glued in, and good disassembly should be scrapped. Buy a new one, now a 10,000 MA two-way fast charge is not expensive, such as Roma's 65, Best's 69, Nanfu's 75, millet's 79, purple rice's 99, Huawei's 99, Best's 89, Pinsheng's 89, Green United's 108, Scud's 118, Glory's 129, Bull's 138, Samsung's 139.