50 CT40/CT40 XP Mobile Computer Series User Guide
2. Tap SIM Selection .
3. Tap the drop down arrow next to Carrier Config.
• If the update is successful, the Carrier Selection screen appears and displays
the updated carrier information.
• If the update is unsuccessful, a message appears. Tap OK to return to the
Carrier Selection screen.
Activate the Phone
You use a SIM card to activate the phone on your CT40/CT40 XP WWAN model
computer (CT40-L1N/CT40P-L1N). You can purchase the micro SIM card from
your network provider.
1. Select a network carrier. To learn how, see Add or Switch Between Network
Carriers on page 49.
2. Press and hold the Power button until the options menu appears.
3. Tap Power Off.
4. Remove the battery from the computer, Refer to page 10.
5. Lift up the edge of the SIM card access door.
6. Press down gently and slide the card holder into the unlocked position.
Lift the edge of the card holder up.
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