Using a Torx T8 screwdriver with a large grip, remove the two keypad latch screws (1) from inside the battery slot.
Using a screwdriver (1) slide the keypad latches (2) toward the bottom of the device.
If the keypad latches are hard to move, use a screwdriver to gently slide them towards the bottom of the device.
Turn the device over so that the keypad is visible.
Using a Torx T8 screwdriver with a large grip, remove the two keypad assembly screws (1) from the top of the keypad (2) that covers the microSD card holder (3).
Lift the keypad from the device.
Align the keypad along the bottom ridge of the device, and then lay it flat.
Using a Torx T8 screwdriver with a large grip and a long shaft, secure the keypad to the device using the two screws (1). Torque screws to 5.8 kgf-cm or 5.0 lbf-in.
Turn the device over so that the keypad latches are visible.
Slide both the keypad latches (1) toward the top of the device.
Using a Torx T8 screwdriver, replace the two keypad latch screws (1) inside the battery slot and torque to 5.8 kgf-cm or 5.0 lbf-in.