Monday , October 26 2026

Why is a corner of a sim card chopped? 99 percent people do not know the answer

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It often happens that we use something continuously, but we do not know some things about it. For example, everyone has used SIM card in their mobile. But 99 percent people do not know why one of its corners is chopped. This is a question that most people have not even tried to know. If you also have the question in your mind as to why a corner of SIM card is cut, then in this article we will learn about the reason behind it.

SIM card is one thing that a large number of people use. Technology experts say that there is a special reason behind designing the SIM card in this way. A corner of the SIM card is cut so that it can fit properly in the phone. This makes people easier to understand whether they are putting SIM cards straight or upside down. If the SIM card is turned upside down, it will not work. This will not bring a network in mobile and there is a risk of SIM card malfunction.

How does a sim card work?

The full name of the SIM card is a subscriber identity module. Its job is to connect the mobile device to the cellular network. This International Mobile Subscriber Identity (IMSI) stores the number and the key related to it. With its help, users of mobile networks are identified and certified. After switching on, the mobile reads data from the SIM card and sends it to the mobile network. The process then verify the identity of network users. This shows whether these users can use the network or not. For this reason, the SIM card of one company is not connected to another company’s network.

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