With the help of the heat gun. We apply 19 Celsius degrees. During four minutes we use a suction cup to lift the screen. We introduce a metal opening tool. We apply isopropyl alcohol, we remove the back cover, remove the screws from the middle frame. Furthermore, we eject the sim tray and the micro CD tray.
Furthermore, we are going to remove the middle frame before glue the new screen. You must check if the screen is working properly. We release this clue, lift gently the device's motherboard. We release the vibration motor, which is attached to the middle frame of the screen. Furthermore, we pick up the earpiece.
Furthermore, we apply isopropyl alcohol, let's remove the battery, remove the screws from the bottom of the device. This is the fingerprint sensor connector. Now we lift the charging port. We remove the plastic protectors, we return with the assembly process. We have finished the assembly process.
Source : MovilOne Phone Repair