Installing the SIM card tray
Steps
1. Insert a pin into the hole of the SIM card tray and push inward until the tray is released
2. Slide the SIM card tray out of the slot on the computer.
3. Place the SIM card into the SIM card tray with the metallic contact facing up.
4. Align the SIM card tray with the slot on the computer, and slide the SIM card tray into the slot, until it clicks into place.
10
Disassembly and reassembly