a Removing the SIM tray (WWAN models)b base coverc battery3 To remove the WWAN card:a Remove the M2xL3 screw that secures the WWAN metal bracket to the system [1] and then lift and remove the metal bracketoff the WWAN card [2].b Disconnect the two antenna cables from the WWAN card [3].c Pull out the WWAN card from its connector on the system board [4].Installing the WWAN card1 Insert the WWAN card into its connector on the system board.2 Connect the two antenna cables to the WWAN card.3 Replace the metal bracket on the WWAN.4 Tighten the M2xL3 screw to secure the WWAN card and bracket to the system board.5 Reconnect the battery.6 Install the:a base coverb Installing the SIM tray (WWAN models)7 Follow the procedure in After working inside your computerRemoving and installing components 19
