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• Why is the corner of the SIM card cut off? Not just the design, there’s a bigger reason
• Why is there a cut when inserting the SIM in the phone? Know the logic of companies
• What is the use of the cut in the corner of the SIM card? A reason most people don’t know

Nowadays everyone uses mobile phones. SIM card is the most important thing to use a mobile phone. You must have seen that any SIM card is always cut in one corner. Have you ever wondered why the SIM card is always cut in one corner? What is the reason behind this? Is it just a design or is there a special reason behind it? The reason behind why the SIM card is cut in one corner is very important.

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The main purpose behind the SIM card being cut in one corner is to insert it into the phone properly. If all four corners of the SIM card are the same, the chances of confusion among people increases and the SIM card can be inserted in reverse direction. This may cause a network problem in the phone. Its SIM slots are also prone to damage. (Photo Courtesy – Pinterest)

Since the SIM card is cut in one corner, users can easily understand which direction the SIM card can be inserted into the phone. This makes the SIM card fit properly in the SIM slot. In the electronics world, this type of design is called keying. This means that the device or part of it should be designed in such a way that it can only fit in one direction. The same principle is also based on the fact that the SIM card is cut in one corner. This small change in the SIM card helps the users a lot and also keeps the device secure.

Earlier when keypad mobiles were used, the SIM card size was large. But with the passage of time as smartphones came, their demand increased, the size of SIM card got smaller. Mini SIM was used in mobile phones. Then companies came up with micro sim. Nano SIM is currently used in smartphones. Which are very small in size. Although the size has changed, there has been no change in the design of the SIM card. The SIM card cut in one corner is still the same. The reason behind this is that the SIM card should be fitted properly.

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A SIM card cut into a single corner may seem like a very simple thing, but the purpose behind it is very important. This design always benefits the users. The SIM is easy to insert, prevents it from misplacing and protects the contacts in the phone. It’s not just a design but an important decision made by companies for users.