We eject the sim tray and the micro CD tray. We remove the back cover. Furthermore, we release the screws from the top of the device we removed the NHC antenna. First, we remove the battery flexed to continue with the disassembly process, remove the screws from the bottom of the device. Here we have the loudspeaker, disconnect the two coaxial antennas. Here we have the motherboard flex cable.
Now we lift the charging port, we disconnected the flex of the screen. Here we have the power and volume control flex very carefully. We move the middle frame, we remove the screw, 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, we remove the plastic protectors before glue the new screen. You must check if the screen is working properly, we use premium red at the Savoy. We return with the assembly process. The device is working.
Source : MovilOne Phone Repair