Wwan Module - HP ZBook 15 G4 Maintenance And Service Manual

WWAN module

Description
HP lt4120 LTE/EVDO/HSPA+ Gobi 4G Mobile Broadband Module
Fibocom HP hs3210 WW HSPA+ w/o GPS
Huawei HP It4132, LTE/HSPA+ 4G w/GPS M.2
CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module
authorized for use in the computer by the governmental agency that regulates wireless devices in your
country or region. If you replace the module and then receive a warning message, remove the module to
restore device functionality, and then contact technical support.
Before removing the WWAN module, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see
5. Disconnect the battery (see
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
NOTE:
antenna cable labeled "6" connects to the "Aux/GPS" terminal labeled "6".
2. Remove the Phillips PM2.0×3.25 screw (2) that secures the WWAN module to the system board. (The
WWAN module tilts up.)
Bottom cover on page
Battery on page
The WWAN antenna cable labeled "5" connects to the "Main" terminal labeled "5". The WWAN
36).
37).
Component replacement procedures
Spare part number
800870-002
918670-852
918671-852
43