We use a suction cup to lift the back cover. We introduce metal opening tool, we apply isopropyl alcohol, we use a wheelchair in plastic card to soften the adhesive. Furthermore, we remove the back cover, we release the screw. This is the fingerprint sensor. Connector removes the screws from the bottom of the device. We release the screws from the top of the device.
We checked, the sim tray and the micro CD tray. Furthermore, we are going to remove the middle frame. First, we remove the battery flexed to continue the disassembly process. With the help of the heat gun, we apply 19 Celsius degrees. During four minutes we apply isopropyl alcohol.
Let's remove the battery we use premium. Read at this. Several we have finished the disassembly process. We return with the assembly process. The device is working.
Source : MovilOne Phone Repair