We apply heat to the device to remove the battery cover. We use a suction cup to lift the back cover. Furthermore, we use will trap in plastic card to soften the adhesive, we'll remove the back cover. Furthermore, we lose the connector of the fingerprint sensor. Scanner touch ID, remove the screws from the middle frame. We are going to remove the middle frame.
First, we remove the back reflex to continue that disassembly process. With the help of the heat gun, we apply 19 Celsius degrees. During four minutes we apply isopropyl alcohol, you, let's remove the battery, we use premium, read a deceiver all we have finished the disassembly process. We return with the assembly process. We have finished the assembly process.
Source : MovilOne Phone Repair