A wireless service provider system and associated methods of using the system for the sale and/or activation of wireless services is disclosed. The system includes a communication interface for a wireless device having a unique identifier. A backend system computer of the wireless service provider system can receive a unique identifier corresponding to the wireless device; authorize the activation of the wireless service corresponding to the unique identifier of the wireless device; and record, in a database, the authorized unique identifier to improve a user's experience and ease of activation/provisioning of services for the wireless device.