WWAN module
Description Spare part number
HP lt4226 LTE/HSPA+ 4G Module 736675-005
HP lt4225 LTE/EV-DO Gobi 4G Module 820019-005
HP lt4112 LTE/HSPA+ 4G Module 740011-005
HP lt4111 LTE/EV-DO/HSPA+ 4G Mobile Broadband Module 753080-005
HP hs3110 HSPA+ Intel Mobile Broadband Module 822829-005
Before removing the WWAN module, follow these steps:
1. Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and
then shut it down through the operating system.
2. Disconnect the power from the tablet by unplugging the power cord from the tablet.
3. Disconnect all external devices from the tablet.
4. Remove the display assembly (see Display assembly on page 28).
5. Remove the NFC antenna (see NFC antenna on page 35).
Remove the WWAN module:
1. Release the grounding tape (1) that secures the WWAN module to the system board.
2. Disconnect the WWAN antenna cables (2) 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”.
3. Remove the Phillips PM1.3×1.5 broad head screw (3) that secures the WWAN module to the
bottom cover.
36 Chapter 5 Removal and replacement procedures
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General
Weight and Dimensions
