WWAN module
The WLAN module and WWAN module are not interchangeable.
The WWAN module is available on select models only.
Description Spare part number
HP lt4120 LTE/EVDO/HSPA+ SnapdragonT X5 LTE Mobile Broadband Module 800870-001
Fibocom HP hs3210 WW HSPA+ without GPS 860726-001
Before removing the WWAN module, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 25).
5. Remove the battery (see Battery on page 30).
Remove the WWAN module:
1. Position the computer upside-down.
2. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
NOTE: The red WWAN antenna cable is connected to the WWAN module ‘Main’ terminal. The blue
WWAN antenna cable is connected to the WWAN module ‘Aux’ terminal.
3. Remove the one Phillips M2.5×3.0 screws (2) that secure the WWAN module to the computer. (The edge
of the module opposite the slot rises away from the computer.)
36 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts
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General
Weight and Dimensions
