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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 ...
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Why is one corner of the SIM card cut? 99 percent of people will not know the answer, but know the secret here

Every person who uses a mobile has also used a SIM card, but most people do not know why one corner of the SIM card is cut. Many times it happens that we are continuously using something, but we do ...