A Chinese user managed to install a SIM card tray on an iPhone Air by embracing a hardware trade-off. Here are the details.
A Chinese tech shop has done what Apple chose not to: add a physical SIM card slot to the iPhone Air. There’s a catch, though ...
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Why is one corner of a SIM card cut off? It's not just a design feature; there's a surprising scientific reason behind it.
SIM Card: Have you ever looked closely at a SIM card? Almost every SIM card has a cut corner. Have you ever looked closely at a SIM card? Almost every SIM card has a cut corner. Surprisingly, whether ...
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