It can come in different capacities, from 32KB to 128K. However, there is much more inside the card. You may imagine that it stores your contact information and data about your mobile network. The truth is that this small object can contain lots of information. It is an embedded SIM, which means you do not need a physical card. However, recently some cell phones and mobile networks have introduced e-SIMs to the market. The SIM cards usually come in three different sizes, which are Standard, Micro, and Nano. Besides that, you can connect your cell phone to the internet using mobile data, which works excellent if you do not have a Wi-Fi connection. With a SIM card in your phone, you can make and receive calls, and send and receive text messages. It consists of a small chip that cell phones use to connect to a specific network. This time we will talk specifically about the information stored on a SIM card.Ī SIM card is also known as Subscriber Identity Module. Since we already know how the basic features of a cell phone work, we think it wise to have a better understanding of SIM cards. On the other hand, there is no much to do just with a SIM card, right? A cell phone without a SIM card can work properly only under a Wi-Fi connection. Two of the things that allow us to do this are cell phones and SIM cards. We communicate when we call and send messages, share photos and videos on social media, even when we send corporate e-mails.
In today’s world, it is hard to imagine ourselves without communicating.
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