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Mobile phone has main case with several transceiver sections to hold subscriber identity module (SIM) cards, and keyboard with several transceiver buttons that are coordinated with respective SIM cards in main case
Mobile phone has main case with several transceiver sections to hold subscriber identity module (SIM) cards, and keyboard with several transceiver buttons that are coordinated with respective SIM cards in main case
The mobile phone has main case with several transceiver sections to hold subscriber identity module (SIM) cards for communicating with different network operators/users. A keyboard is provided with several transceiver buttons, in which each transceiver button is coordinated with one SIM card in the main case.
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