Dell Latitude 7350 Owner's Manual page 47

Figure 14. Installing the SIM card tray
Steps
1. Insert a pin into the hole of the nanoSIM-card tray and push inward until the tray is released.
2. Slide the nanoSIM-card tray out of the slot on the computer.
3. Place the SIM card into the nanoSIM-card tray with the metallic contact facing up.
4. Align the nanoSIM-card tray with the slot on the computer and carefully slide it in.
Next steps
1. Follow the procedure in After working inside your computer.
Removing and installing Customer Replaceable Units (CRUs) 47