HP EliteBook Folio 1040 G1 Notebook PC Maintenance and Service Guide

WWAN module
NOTE: The WWAN module and the WLAN module are not interchangeable.
Description Spare part number
HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module 704030-005
HP lt4112 LTE/HSPA+ Gobi 4G Module 704031-005
HP hs3110 HSPA+ Mobile Broadband Module 723895-005
Huawei ME906J HP LT4226 LTE/HSPA w/GPS for use only in Japan 736675-005
Huawei ME906J HP LT4225 LTE/HSPA w/GPS for use only in Japan 736676-005
HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module 753080-005
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 hard drive cover (see
Bottom cover on page 39).
5. Remove the bottom cover (see
ForcePad (Touchpad) on page 56).
6. Disconnect the battery (see
Battery on page 44).
Remove the WWAN module:
1. 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.
2. Remove the Phillips PM2.0×3.0 screw (2) that secures the WWAN module to the system board.
Component replacement procedures 49