Systems and methods for improved security in handset reprogramming are provided that prevent a handset from being reprogrammed in the field without authorization from carrier. When a handset receives a reprogramming request, or detects a reprogramming attempt, the handset contacts the carrier for authorization...http://www.google.com/patents/US20030033525?utm_source=gb-gplus-sharePatent US20030033525 - System and method for improved security in handset reprovisioning and reprogramming