Dell Latitude 5520 Service Manual page 20

NOTE: SIM card or SIM card tray removal is only available on systems that are shipped with WWAN module. Hence,
removing procedure is only applicable for systems that are shipped with WWAN module.
About this task
The following image indicates the location of the SIM card and provides a visual representation of the installation procedure.
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 carefully slide it in.
5. Slide the SIM card tray into the slot, until it clicks into place.
20 Removing and installing components