Remove the bottom cover:
1.
Loosen the three captive Phillips screws (1) and remove the two Phillips M2.0 × 4.0 screws (2) that
secure the bottom cover to the computer.
2.
Starting near the hinges, use a nonmarking, nonconductive tool (1) to release the edges of the bottom
cover from the computer (2).
3.
Remove the bottom cover from the computer (3).
To replace the bottom cover, reverse the removal procedures.
Using a SIM card (select products only)
Use these instructions to insert a SIM card.
IMPORTANT:
in the wrong direction. The card might also become stuck in the slot. Do not use SIM card adapters. To
prevent damage to the SIM card or connectors, use minimal force when inserting or removing a SIM card.
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Chapter 5 Removal and replacement procedures for Customer Self-Repair parts
You can damage the SIM card if you insert the wrong size card or insert it or the SIM card tray