Abstract: The disclosure provides a subscriber identity module (SIM) card holder, a base of the SIM card holder is provided with SIM card metallic contacts and first fixed metallic pins connected with the metallic contacts; the base of the SIM card holder is further provided with an additional metallic dome; the additional metallic dome is in uncompressed state and in contact with high level when the SIM card is not plugged in the SIM card holder, and is in compressed state and in contact with low level when the SIM card is plugged in the SIM card holder, delivering the high/low level with which it is in contact to a master chip of a mobile terminal to identify the plug-in and pull-out of the SIM card. The disclosure further comprises a mobile terminal and a method of identification of the hot-plug of a SIM card. With the help of the disclosure, problems of complex design, occupation of motherboard space, increased product cost in existing cell phones with hot-plug of SIM cards may be solved.

Abstract: The disclosure provides a subscriber identity module (SIM) card holder, a base of the SIM card holder is provided with SIM card metallic contacts and first fixed metallic pins connected with the metallic contacts; the base of the SIM card holder is further provided with an additional metallic dome; the additional metallic dome is in uncompressed state and in contact with high level when the SIM card is not plugged in the SIM card holder, and is in compressed state and in contact with low level when the SIM card is plugged in the SIM card holder, delivering the high/low level with which it is in contact to a master chip of a mobile terminal to identify the plug-in and pull-out of the SIM card. The disclosure further comprises a mobile terminal and a method of identification of the hot-plug of a SIM card. With the help of the disclosure, problems of complex design, occupation of motherboard space, increased product cost in existing cell phones with hot-plug of SIM cards may be solved.