Computer-readable media, systems, and methods for automated device activation are described. In embodiments, an activation message is received from a non-provisioned mobile device identifying a user account. In various embodiments, it is determined whether activation is authorized and, if it is determined that activation is authorized, the non-provisioned mobile device is activated. In various other embodiments, it is determined whether activation is authorized by sending a confirmation message to a provisioned mobile device and receiving an authorization message from the provisioned mobile device.