Remove the assembly as shown below
Type one – Models with 4G wireless WAN card
Note: Depending on the model, the 4G wirless WAN card may be either 4 connectors or 2
connectors.
Type two – Models with 5G wireless WAN card
Type three – Models with wireless WAN card bracket only
36
ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Linux User Guide