Abstract: A method of securing electronic device includes connecting a first electronic device saving an initial network environment parameter to a network. The first electronic device detects an actual network environment parameter in the network. The first electronic device uploads data information stored therein to a predetermined second electronic device through the network when the actual network environment parameter is different from the initial network environment parameter. The first electronic device deletes the data information stored therein.

Abstract: The present invention relates to an apparatus for integrating voice and data communications. The apparatus respectively electrically couples to a terminal device and a base station. The apparatus includes a wireless local area network module, a mobile communication network module, and an audio gateway. The wireless local area network module and the mobile communication network module transmit the voice signal and/or data signal to the terminal device and the base station.

Abstract: The method for dialing a phone number and operating an electronic device with single hand includes the following steps. The electronic device displays a virtual keyboard on the screen. Then, the user operates virtual keyboard by activating the selection function of the jog device to select a desired key value. After selecting the desired key value, the user operates the input function of the jog device to input the key value. After the edit process of dialing the phone number is completed, the user operates the input function of the jog device to dial the phone number out.