Patent ID: 8509844

Claim:
A computer-implemented method comprising: receiving subscriber data for a mobile device requesting access to a first type of network, the subscriber data including a device identifier for the mobile device and a first module identifier for a first removable module coupled to the mobile device, the mobile device having credentials for the first type of network stored in an internal memory of the mobile device, and the first removable module having credentials for a second type of network stored in a memory of the first removable module; storing in a database an association between the device identifier of the mobile device and the first module identifier with previously stored information for a subscriber account associated with the mobile device; and authorizing the mobile device to access the first type of network based on the stored association between the device identifier of the mobile device and the first module identifier, wherein the mobile device is granted authorization to access the first type of network only when subscriber data, received from the mobile device for subsequent access requests, includes module identifier information matching the first module identifier stored in association with the device identifier of the mobile device.