For access, remove:

1. Battery pack
2. DIMM slot cover

Removal steps of PCI Express Mini Card (full size) for wireless WAN

In step [1a]and [1b], unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors with your fingers and gently unplug them in direction of the arrow.

When installing: Plug the black cable with red label into the jack labeled MAIN, and the black cable with blue label into the jack labeled AUX on the card.