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SIM card: Why is one corner of a SIM card cut off? It's not a design choice; the reason is related to phone security.

SIM Card Design Technology: Have you ever noticed that every SIM card has one corner cut off? This isn't just for aesthetic purposes. There's a technical reason behind it that protects both your phone ...
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SIM Card: Why is the corner of the SIM card cut? There is a big logic behind this which most people do not know..

We use so many things in our daily life, but never pay attention to their design. From the USB port to the buttons of your shirt, there is a special reason behind the design of everything. One such ...