Using your fingers, grasp the motherboard by the top corners.

Swing the motherboard slightly out of its recess. Be careful not to snag any cables along the way.

Pull the motherboard towards the top edge of the phone while wiggling the board slightly. This will loosen the charging port from its socket.

Once the charging port is freed from its socket, remove the motherboard.

Align the motherboard's charging port with the bottom edge of the phone.

Gently push the motherboard against the bottom edge of the phone until the charging port is completely seated.

Lower the motherboard and press into place. Be careful not to trap any cables underneath the motherboard. The board should sit flush against the frame.