| 摘要 |
A mobile phone for multiple SIM cards, wherein, a telephonic apparatus is used to select by switching among a plurality of communication services provided by various providers in the art of system communication. The mobile phone is provided on the rear casing of the battery or between the main machine and the battery of the mobile phone with an electric circuit board having a plurality of SIM cards each is able to connect via a bus line with an extension card functioning as a communication interface of the mobile phone with the electric circuit board and parallelly connected with each of the SIM cards on the electric circuit board to thereby form an open loop. A manually moved switch is provided on the loop, so that when the switch is switched to the card loop of any system, the state of combination of the mobile phone is communicated with the card loop of this system. Therefore, an object of providing a plurality of SIM cards for a mobile phone can be attained.
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