Removal and replacement procedures
Maintenance and Service Guide 4–17
4. Remove the Phillips PM2.5×3.0 screw 1 that secures the SIM slot board to the computer.
5. Lift the SIM slot board 2 as far as the SIM slot board cable allows.
6. Disconnect the SIM slot board cable 3 from the system board.
Reverse this procedure to install the SIM slot board.