What is SIM card complete information ?

What is SIM SIM card complete information: You must be hearing the name of SIM card every day. Like idea, airtel, jio, vodafone, bsnl sim. We must have used the word SIM countless times in our colloquial language. But do you know that sim is a short name? That is, the full form of SIM is something else.

 

If you want complete information about SIM card, then definitely read this post till the end. In this we will provide complete information from the invention of SIM card to detail. Along with this, we will also tell in detail about eSIM replacing SIM card in future. So let's get started.

Subscriber Identity Module (SIM) is a small brass chip that is used to identify the subscriber using the SIM card as well as to talk through the mobile phone on the network.

Simultaneously, SIM cards store the information needed for authentication and allow the user's phone to connect to the network. All SIM cards also have some memory, from which name and mobile number can be stored.

In short, you must have understood that what is SIM? Today in the increasing era of technology, the era of eSIM card is about to come. In such a situation, you should also know about e-SIM. Let us also tell you about this.

SIM full form – What is the full form of SIM?

If you have a mobile then one or more SIM cards must have been installed in it. Do you know what is the full form of SIM ? If not then let us tell you –

S – Subscriber,   I – Identity,    M – Module

That is, the full form of sim is – Subscriber Identity Module. So now if you ask what is the full form of any SIM, then you will be able to tell immediately.

eSIM Kya Hai – What is e-SIM?

eSIM i.e. Embedded Subscriber Identity Module is the virtual SIM installed in the mobile. This is a thin chip inside the phone itself. It cannot be purchased separately like a normal SIM card.

eSIM card is already installed in the mobile, so that you cannot take it out or use it in any other mobile.

 

Telecom companies activate E-SIM so that you will not have to change SIM when you change operator i.e. from One to Another.

The trend of eSIM card is very less in India right now because eSIM has been available only in very expensive phones. For example , e-SIM support has been provided in Apple 's iPhone XS and iPhone XS Max.

What is Prepaid SIM?

From the word prepaid it is understood that money first. To use calling, messaging and internet data service, you will have to first recharge the money.

 

If you do not use much call, sms and internet data then you should take prepaid SIM card only. Anyway, prepaid SIM has been made keeping in mind the needs of the common people. Most of the prepaid SIM cards are used in India today.

You have come to know what is prepaid sim. Let us now know what is postpaid sim card?

What is Postpaid SIM?

Postpaid is just the opposite of prepaid i.e. money later. You can use the first calling, sms and internet service as much as you want. After this you have to pay the bill at the end of the month. Just like you pay electricity, water bills.

Postpaid SIM cards are designed keeping in mind the needs of the business man person. Because they require more calls, messages and internet data.

You must have understood what is a postpaid SIM card. Which sim card do you use, prepaid or postpaid? Do tell in the comment box below.

 

Who invented SIM?

Talking about SIM cards, when and who invented SIM, the question also becomes important. Let's know about it too.

SIM was invented in 1991 by a German company Giesecke & Devrient. The Giesecke & Devrient company, based in Munich, Germany, specializes in making smart cards.

eSIM (Embedded Subscriber Identity Module) was launched in 2013.