4. Align and place the WWAN card bracket on the system board and WWAN card, and tighten the single captive screw.
NOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number,
see the knowledge base article 000143678 at www.dell.com/support.
5. Align and place the WWAN card shielding cover over the WWAN card.
6. Press the WWAN card shielding cover to fix it firmly in place.
Next steps
1. Install the base cover.
2. Install the Nano-SIM card tray.
3. Follow the procedure in after working inside your computer.
Wireless Local Area Network (WLAN) Antenna module
Removing the WLAN antenna module
Prerequisites
1. Follow the procedure in before working inside your computer.
NOTE: Ensure that your computer is in Service Mode. For more information, see step 6 in before working inside your
computer.
2. Remove the Nano-SIM card tray.
3. Remove the base cover.
4. Remove the WWAN card if applicable.
5. Remove the battery.
About this task
The following image indicates the location of the WLAN antenna module and provides a visual representation of the removal
procedure.
Figure 35. Removing the WLAN antenna module
Removing and installing Customer Replaceable Units (CRUs)
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