Patent ID: 7761866
Filing Date: 2010-07-20
Classification: G06F,H04B,H04W

Abstract:
1. A method for updating software in a radio communication system comprising a radio communication apparatus having a communication function to be changed by changing software and a download server for supplying software to the radio communication apparatus, the method comprising the steps of: downloading from the download server to the radio communication apparatus software data in which a part of the communication function is limited by a limitation; storing the downloaded software data in a memory device by the radio communication apparatus; reconfiguring by the radio communication apparatus the communication function by use of the software data stored in the memory; testing a performance of the communication function by the radio communication apparatus to determine whether or not reconfiguration of the communication function has been successfully completed; requesting by the radio communication apparatus an execution-allowing key information for canceling the limitation of the communication function in a case when it is determined that the reconfiguration of the communication function has been successfully completed; supplying from the download server to the radio communication apparatus the execution-allowing key information in response to the request; and canceling by the radio communication apparatus the limitation of the communication function by use of the execution-allowing key information supplied by the server.