Sprint, EE, and Vodafone. The SIM must be provisioned with the carrier. Contact your carrier for details about selecting a data plan and about the process for provisioning your
SIM.
Once you have an activated SIM, insert it into the integrated modem. Insert the SIM card into the slot marked SIM 1 (use the other slot, SIM 2, for a secondary/backup
SIM).
Be sure to insert the card with the notch-end first and the gold contacts facing down – it will click into place.
2. Attach the integrated modem.
Follow these steps to attach the integrated modem:
1) Remove the left side panel cover from the router. Use a Phillips screwdriver to remove the screws, and use the Multipurpose Retaining Tool (included in the router