Patent ID: 8000743

Claim:
An electronic device comprising: a battery; a first main body defining a battery groove therein for receiving the battery, a first subscriber identification module (SIM) card seat and a second SIM card seat in a bottom surface of the battery groove, the second SIM card seat aligned apart from the first SIM card seat, wherein the first main body further comprises a protruding column protruding from a portion of the bottom surface of the battery groove between the first and second SIM card seats; a first SIM card disposed in the first SIM card seat; and a SIM card retention assembly comprising a retaining member fixed to the first main body and adjacent to the first SIM card seat, a positioning member fixed to the retaining member, and a rotary member rotatably connected to the first main body between the retaining member and the first SIM card seat, wherein the retaining member comprises a sheet-like main body comprising a mounting surface facing the bottom surface of the battery groove, a top surface opposite to the mounting surface, and a side surface connecting the mounting surface and the top surface; and the rotary member can be rotated relative to the first main body in a substantially horizontal plane; the positioning member holds the rotary member to fix the first SIM card in the first SIM card seat tightly.