HP Pavilion 11 x360 PC Maintenance And Service Manual page 43

3. Remove the WWAN module (3) by pulling the module away from the slot.
NOTE: WWAN modules are designed with a notch to prevent incorrect insertion.
NOTE: If the WWAN antennas are not connected to the terminals on the WWAN module, the protective
sleeves must be installed on the antenna connectors, as shown in the following illustration.
Reverse this procedure to install the WWAN module.
Component replacement procedures 35