A SERVICE OF

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4–18 Maintenance and Service Guide
Removal and replacement procedures
3. Remove the Phillips PM2.5×4.0 screw that secures the WWAN module to the system board. (The WWAN
module tilts up.)
4. Remove the WWAN module by pulling it away from the slot at an angle.
WWAN modules are designed with a notch to prevent incorrect insertion of the WWAN module into the
WWAN module slot.