Most of you use a mobile phone and almost all the phone contains a SIM. The Word SIM stands for subscriber identity module or subscriber identification module. But the question is that why SIM card has a cut edge? Before going to the topic we need to discuss something about what is a SIM?
What is a SIM?
A SIM is a subscriber identification module that you know already which is used to store data for GSM cellular telephone subscribers mobile. A GSM mobile is a kind of mobile phone in which an external subscriber identification module can be inserted according to the user choice. The type of data that is stores includes mobile location, networks authority, phone number, contact list and some time messages.
A SIM has a great benefit of portability. You can switch your SIM to any kind of GSM mobile which facilities you not changing the number while change the phone. When you buy a new phone you can switch your old phone’s SIM to the new one. And another benefit is when there is a condition of low charge in phone you can change your phone’s SIM to any other device.
Why SIM Card Has a Cut Edge?
There are so many reasons you can think that’s why a SIM card has a cut edge, but the main reasons to have this cut edge to prevent you from incorrect position for inserting the sim into the phone.
A SIM contain six metallic slots and the slots have to be set in exact position. The cut mark serves as to guide for proper placement of the card to the mobile. The cut mark also ensures the proper way of inserting the SIM without reading any guideline. Take the example of the ATM card you can enter the card in the machine in four ways, but out of four ways only one is the correct way. That’s why for a new user needs to know the proper way of inserting the ATM. But in case of a SIM you need not worry about it.
Conclusion
At that time of Smartphone most of phones supported Mini, Micro or Nano SIM besides a standard SIM. To make a Standard SIM into this type there are SIM cutters available in the market. Or you can cut the SIM by one. But my suggestion is that either using a SIM cutter or by won make sure that the cut position place in preface man or otherwise it can damage your SIM permanently.