Many times it happens that we are constantly using something, but some things are not known about it. For example, everyone has used a sim card in their mobiles. But 99 percent of the people will not know why a corner is cut. This is such a question, which most people have not even tried to know the answer. If you have a question in your mind that why a corner of the SIM card is cut, then let us know the reason behind it.

Why is a corner of SIM card chopped?

SIM card is one such 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 in the phone properly, so a corner of the SIM card is cut. This makes people easily understand whether they are putting the SIM card straight or upside down. If the sim card is turned upside down, it will not work. Due to this, there will be no network in mobile and there is a risk of SIM card malfunction.

How does SIM card work?

The full name of the SIM card is a subscribe identity module. Its job is to connect the mobile device to the cellular network. It stores the International Mobile Subscriber Identity (IMSI) number and the keys related to it. With their help, the user of a mobile network is identified and authenticated. After being turned on, the mobile SIM reads the data of the card and passes it to the mobile network. After this process, the network verifies the identity of the user. This makes him know whether this user can access the network. For this reason, the SIM card of one company is not connected to the network of another company.

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