WWAN module
Description
Spare part number
WWAN T77W595 LTE M.2 with GPS
800870-005
WWAN HSPA+M.2
918670-855
WWAN WWAN ME906S LTE with GPS M.2
L04413-855
IMPORTANT:
Make special note of each screw and screw lock size and location during removal and
replacement
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 first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4.
Remove the base enclosure (see
), and then remove the following
components:
a.
Battery(see
).
b.
Front speakers (see
Remove the WWAN module:
1.
Disconnect the antenna wires (1).
38
Chapter 5 Removal and replacement procedures for authorized service provider parts
