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The present (eSIM) and the future (iSIM) of the SIM card

With the advancement of technology is an esim, it will become very common for all of us to use a smartphone by the year 2022. Considering the history of the telephone, it is a common sight in modern times that the SIM card has become an essential part of the phone to get the communication coverage it needs.

While a SIM is a unique factor for a particular person, recently with the advancement of technology, phone manufacturing companies are working towards the use of eSIM as a replacement for those SIMs. As a good example of that, the recently released Apple iPhone 14 phone line has included the facility of using both eSIMs in America.

Also, it is during this period that the use of iSIM, which goes beyond eSIM, comes to the fore. Through this article, some of those technical points will be clear for you Android workers readers.

What is a SIM Card?

From the first SIM card manufactured in Germany in 1991 to a device that is one-size-fits-all and technologically advanced by 2022. SIM stands for Subscriber Identity Module or a technical device that contains the identity The advent of SIM cards so fara particular user.

When considering a SIM card, can store a significant amount of data, including the data of the person who owns the card, phone numbers, etc. Apart from that, this SIM allows the person using the phone to receive SMS and other messages as well as internet facilities and make calls.

The advent of SIM cards so far

In terms of SIMs, there have been three main types of SIM cards over the years. These are Standard SIM, Micro SIM, and Nano-SIM. These SIMs were released in the market at different times and came in different sizes. If you observe the above note, you will be able to get a better understanding of it.

With technological advancement, eSIM can be introduced as the latest replacement for SIM. The following section elaborates on that.

Briefly about eSIM…

his eSIM was introduced to avoid the inconvenience of using SIM cards that are currently being used. eSIM stands for Embedded SIM or Embedded Universal Integrated Circuit Card. To use this eSIM, it is mandatory to use an eSIM-enabled phone.

This eSIM is very small compared to the previous Standard SIM and thus the amount of space spent on the phone’s hardware can be reduced. Most of the latest phones in the market now have an eSIM facility.

It is special that Dialog has already started work to provide services to its users through the eSIM facility. More information about it can be obtained through this link. Also, this service is currently available through other organizations such as SLT-MOBITEL.

About iSIM in brief…

The latest available SIM is the iSIM. This is very similar to eSIM, but for this, there is a need for a separate processor in the phone as well as other hardware. Therefore, it is more efficient than eSIM and can be used across multiple devices.

Compared to other SIM models, iSIM uses very advanced technology, so the impact on the phone’s battery is minimized. The manufacturers state that they expect about 70% battery energy savings for this purpose.

One of the main issues that arise in using this SIM is its security. There are many areas for controversies to arise for users regarding the security of Standard SIM, which is currently used by the majority. But when considering eSIM and iSIM, that point is somewhat minimized. This means that users will be able to control their eSIM and iSIM remotely, thereby reducing the associated security risks.


As mentioned above, with the development of new technology, there is a possibility that the use of the latest eSIM and iSIM will be popular throughout our country in the future. And due to these facilities, we can hope that almost all the service providers in our country will adapt to these facilities.

However, users have the opportunity to use this eSIM and iSIM as a great opportunity to gain more security and a new set of experiences. Don’t forget to comment below with your thoughts.


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