Although it’s a little more complicated to tear down the Samsung Galaxy S4 Mini than the Galaxy S4, it’s still not much difficult to repair a cracked S4 Mini screen. Follow the steps below and you’ll know how to give your S4 Mini a new look
Tools and new replacement part:
Small Phillips Screwdriver
Power the Galaxy S4 Mini off.
Remove the back cover.
Use small Phillips screwdriver to undo ten screws securing the rear housing.
Use case opening tool to release the clips on rear housing starting at USB port.
Remove the rear housing.
Disconnect the three flex cables.
Gently lift up the charging port flex cable and remove it.
Disconnect the three flex cables connecting the earphone jack, front facing camera and ear speaker & proximity sensor.
Lift up the silver metal shield to remove the front facing camera and ear speaker & proximity sensor.
Lift the mainboard around the outside edge carefully.
Open the mainboard up gently because there is a flex cable connecting the mainboard with the display.
Disconnect the display flex cable to remove the mainboard.
Take out the earphone jack.
Disconnect the flex cable to remove the SIM card tray and SD card reader contact.
Use screwdriver to lift up the SIM card tray and SD card reader contact, and remove them.
Remove the metal plate securing the display flex cable.
Lift the vibrating motor with the help of screwdriver.
Now only the broken Galaxy S4 Mini screen assembly with front housing is left. You can replace it with a new one and reassemble the phone in reverse order above.
Note: If you have a new Galaxy S4 Mini screen assembly without the front housing, you need to heat up the screen to separate the front housing from the screen and transfer the front housing to the new screen.
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