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Here’s a little explanation for all mobile device users who aren’t best versed in SIM card types! A piece of plastic with a chip that you get from the mobile operator that contains your mobile phone number and allows you to use the services of the same, is called a SIM card.

The abbreviation comes from the English words – subscriber identification module, or subscriber identity module, which could be translated as the subscriber identification module.

Nowadays, there are mobile phones on the market that can use one of the 3 most common sizes of SIM cards, and they are:

Mini sim

A variant that appeared in the 90s of the last century and which was the standard in all phones until the appearance of the Iphone 4 model in 2010.

This card is also known as the “ordinary” or “standard” SIM card that we all know what it looks like! You can see this card in the picture above!

Micro sim

As we mentioned above, the 4th model of the iPhone brought a revolution to the small door in terms of the size of SIM cards, and today few more advanced phones do not require this type of card.

Due to its smaller size, it was more suitable for device manufacturers because every millimeter is important to them when building and making a phone, so we can say that today there is no mobile device manufacturer that does not have at least a couple of models that require a Micro SIM card. The difference in size between it and the Mini sim variants are.

Nano sim

One of the newest variants, which is also the smallest of all mentioned, is the nano sim. Its start of mass use is again tied to Apple and their last year’s iPhone 5 model, as well as every next one, while more mass use by other manufacturers is expected in early 2014 and with the presentation of the latest models.

It is important to note that on the world market, any phone you buy, you have the option to replace your existing card from your old phone with a new one that goes to your new phone, without losing the number you used to. is there.

Some providers even offer services for copying all contacts from the old to the new card, and information on the exact price of replacing the card (which is either free or around $2) and the service for copying contacts, you can get by calling your provider’s Call Center or going to one from its branches.