A wireless communication apparatus includes a wireless processing unit for performing communication by wireless and an application processing unit for executing an application. The wireless processing unit of the wireless communication apparatus detects reception of wireless function update information for updating a function of the wireless processing unit when update information for updating any function of the wireless communication apparatus is received. After that, the wireless processing unit updates the function of the wireless processing unit, if reception of wireless function update information is detected, by performing an update process specified in the wireless function update information without involving the application processing unit.