With the help of the heat gun. We apply 19 Celsius degrees. During four minutes we use a suction cup to lift the back cover. We introduce a metal opening tool to loosen the adhesive. We use a plastic triangle opening tool. Furthermore, we remove the back cover, we lose the connector of the fingerprint sensor.
Scanner touch ID. We release the screws from the top of the device it's time to remove the antenna. First, we remove the battery flexed to continue with the disassembly process. Here we have the motherboard flex cable. Here we have the connector of the screen.
We apply isopropyl alcohol. Let's remove the battery. We have finished the disassembly process. We returned with the assembly process. Furthermore, we have finished the assembly process.
The device is working.
Source : MovilOne Phone Repair