Dell Latitude 3140 2 in 1 - Wireless Wide Area Network (WWAN) Card

1. Lift open the cover of the SIM-card slot, then place the SIM-card in the slot.
2. Close the cover of the SIM-card slot, making sure that it is locked into position.
1. Install the palmrest and keyboard assembly.
2. Follow the procedure in after working inside your computer.
Wireless Wide Area Network (WWAN) card
Removing the WWAN card (2-in-1)
1. Follow the procedure in before working inside your computer.
2. Remove the palmrest and keyboard assembly.
NOTE: The following steps are for computers with WWAN support.
The following images indicate the location of the WWAN card and provide a visual representation of the removal procedure.
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Removing and installing components