Abstract: The present invention provides methods for sharing a SIM card and mobile terminals. The method comprises: utilizing a first mobile terminal to receive a SIM card access request signal from at least a second mobile terminal which does not have the SIM card, wherein the first mobile terminal has the SIM card and operates as a server having no fixed IP; transmitting a security authentication information request signal to the second mobile terminal according to the SIM card access request signal; and determining whether to transmit a SIM card Elementary Files data to the second mobile terminal according to the security authentication information, wherein the SIM card Elementary Files data is utilized by the second mobile terminal to use communication function of the SIM card. The present invention allows the mobile terminals to share a SIM card.

Abstract: A transmission device, a receiving device and a method of sharing data are provided. The transmission device includes a touch-display module which includes one or a plurality of display areas, wherein each of the display areas displays a respective display result corresponding to the same or different applications; a link module which is configured to establish a touch link with one or a plurality of receiving devices through the touch-display module; a judgment module which is configured to determine the display area which the receiving device is in physical proximity to, to generate the judgment information; a management module which is configured to generate application information according to the judgment information; and a sending module, configured to transmit the application information to the receiving device through the touch-display module.