HP EliteBook 725 G2 Notebook PC Maintenance and Service Guide

WWAN module
Description Spare part number
HP lt4211 LTE/EV-DO/HSPA+ 4G Module Broadband Module 793116-001
HP lt4112 LTE/HPSA+ Mobile Broadband Module 740011-001
HP hs3110 HSPA+ HP lt4112 LTE/HPSA+ Mobile Broadband Module 822828-001
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 service cover (see Service cover on page 38).
5. Remove the battery (see Battery on page 40).
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
NOTE: The WWAN antenna cable labeled “5” connects to the WWAN module “Main” terminal labeled
“5”. The WWAN antenna cable labeled “6” connects to the WWAN module “Aux/GPS” terminal labeled
“6”.
2. Remove the Phillips PM2.0×2.5 screw (2) that secures the WWAN module to the system board. (The
WWAN module tilts up.)
Component replacement procedures 45