Patent ID: 7310520

Claim:
A computer-readable medium storing computer-executable instructions to be utilized in a mobile communication device having a communication facility for providing mobile communication, comprising: providing a header of a file downloaded via a mobile communication network; providing a file execution segment of said file, the execution segment being formed in machine language codes and divided into a RO (Read-Only) segment executed directly by a processor of the mobile communication device, and RW (Read-Write) segment containing data directly interpreted by the processor of the mobile communication device; and providing a resource segment in said file, the resource segment having a plurality of resource sections classified by languages to support multiple languages, one of which is to be loaded to memory selectively and used by the machine language codes, wherein said header includes data field for performing one or more of the functions of: (1) verifying reliability/validity of said file, (2) restricting use of said file by period of the use, and by times of the use, and (3) automatic updating of said file.