Lenovo 20AQ User Manual page 96

8. Align the notched edge of the new wireless WAN card with the key in the slot. Then carefully insert
the card into the slot.
9. Pivot the new wireless WAN card downward
10. Connect the antenna cables to the new wireless WAN card. Ensure that you connect the red cable to
the main connector on the card, and the blue cable to the auxiliary connector on the card.
11. Reinstall the base cover assembly and the external battery pack.
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User Guide
1 and then install the screw to secure the card in place 2 .