Patent ID: 7873758

Claim:
A cellular phone, comprising: a connector physically connecting the cellular phone to an external electronic apparatus; a first memory module for storing codes and phone data to perform phone-related operations on the cellular phone, wherein the first memory module is not a SIM card, and wherein at least a portion of the codes is copied to a volatile memory for execution during power on; a second memory module storing application data; and a controller determining whether the connector is connected to the external electronic apparatus, and granting access right of the first memory module exclusively to the cellular phone to perform the phone-related operations and granting access right of the second memory module exclusively to the external electronic apparatus as a storage device at the same time when the connector is connected to the external electronic apparatus, and granting access right of both the first memory module and the second memory module exclusively to the cellular phone when the connector is not connected to the external electronic apparatus, wherein the first and second memory modules are two different memory modules controlled by two distinct memory drivers.