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In the future, the phone will have an iSIM integrated inside the device without having to change the SIM card. So what is iSIM and what is the difference from eSIM and regular SIM? Let’s find out with lassho.edu.vn now!
What is iSIM?
iSIM is a type of SIM born to replace the physical SIM , integrated directly into the central chipset (SoC) of the device, with a size of no more than 1 square millimeter .
That means the traditional sim tray will be “killed” to save space inside the device, and at the same time have the advantage of cost, increased security and connection quality.
Features of iSIM
Super small size
The size of the iSIM is very small , only about the size of a grain of rice, which saves space inside smartphones, from which manufacturers can take advantage to equip other components while enhancing dust resistance and water.
Security
Basically, being directly integrated with the SIM card into the central chipset helps iSIM completely avoid hardware interference, increasing security for users.
Use separate Kigen OS
iSim has its own Kigen operating system running in the CryptoIsland secure zone. This solution will enable identification of SIMs, microcontrollers and radio modems embedded on the chip’s IoT system .
This is why device manufacturers can save space and money by combining three components into one.
Help pay online
iSIM can also be applied to daily services such as payment through NFC or SIM card connection , check-in, cashless bus ride, etc., even used to replace a series of complicated papers. such as driver’s license, ID card, passport.
Compare iSIM, eSIM and regular SIM
eSIM and iSIM have many similarities and improvements. If the SIM is usually a rather large SIM that is connected to a phone, tablet, etc. via an external SIM slot, the iSIM and eSIM are extremely small and are soldered directly on the motherboard of the device.
The basic difference between iSIM and eSIM is that the eSIM installation location is a special chip found in mobile devices. And iSIM is integrated directly on the processor chip, which helps iSIM have higher connectivity and security.
What will the future of phone SIMs look like?
In the future, global carriers want to make iSIM and eSIM a new standard. Besides Samsung and Apple, a series of world-famous carriers announced that they would participate in the iSIM and eSIM wave.
The existing network data on the traditional SIM will gradually be transferred to the device using the new eSIM, there may be a little difficulty in the testing phase, but the new technology will bring users a lot of convenience. .
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