How to play the Apple mobile phone card?

Insert the card reader into the round hole on the right side of the Apple mobile phone, and press it hard, and the card slot will automatically pop up. The first step, first we turn on the iPhone, and then we click the cellular network option;

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Step two, then we click on the network to choose the option.

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Step 3: Finally, we can set the card 1 by clicking Automatic, and all the cards 2 can make calls.