A mobile station capable of being upgraded by a delta file received from a software upgrade server via a wireless network. The mobile station comprises: 1) a memory for storing an original image file and the delta file, wherein the delta file is suitable for upgrading the original image file; and 2)...http://www.google.com/patents/US7149508?utm_source=gb-gplus-sharePatent US7149508 - System and method for delta-based over-the-air software upgrades for a wireless mobile station
