This guide will instruct you in proper cellphone disassembly and removal of the faulty logic board for replacement.
Wedge the opening tool in-between the back cover and the body of the phone in the opening denoted by the arrow.
Once wedged in the opening, slide the opening tool around the side of the phone and remove the back cover, setting it aside.
Insert the opening tool between the battery and the battery holder and wedge the battery out.
Open the plastic cover with your finger to expose the SD card.
Use the opening tool to grab the edge of the SD card and pull it straight out.
Remove the six 6mm T4 screws with the T4 torque driver.
Pop out the volume button with the plastic opening tool.
Wedge the plastic opening tool in-between the plastic layer and the front cover.
Do not completely separate the two pieces to avoid damaging the ribbon cable inside.
Carefully separate the bottom piece from the top plastic piece.
Disconnect the ribbon cable connecting the display to the logic board by firmly pulling the cable straight outward.
The screen can now be removed.
Separate the logic board and the display cover from the back cover and orient the logic board so the camera faces toward you.
Disconnect the back cover by wedging the plastic opening tool in between the motherboard and the connector and prying outward.
Flip the logic board and display cover over so the camera faces away from you.
Bend the two halves of the device away from you to pry the final ribbon connector off the logic board.
The ribbon connector is bonded to the logic board with adhesive, simply pull it to break the glue bond.
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