15.07.24
eSIM works great while traveling. It allows for quick switching between operators, provides fast activation of services abroad, and ensures security by allowing you to set limits. This solution is worth considering, especially when traveling outside of Europe or during cruises, where the costs of calls and internet can be high. How exactly does eSIM work?
Table of contents
eSIM card – what is it?
How does eSIM work?
Virtual eSIM card – advantages
What else is worth knowing about eSIM? We answer the most frequently asked questions!
Which companies offer eSIM?
Do all devices support eSIM?
eSIM to eSIM ready
Summary
eSIM card – what is it?
The first SIM cards debuted in the early 1990s and were comparable in size to today's payment cards (85.6 × 53.98 mm). Over the years, the microprocessor cards essential for phone operation underwent a series of changes and significantly shrank in size.
The eSIM (embedded SIM) is a digital SIM card embedded in a device such as a smartphone, tablet, or smartwatch. Unlike a traditional SIM card, the eSIM is not a physical object that can be inserted or removed from the device. It is remotely programmable, which means that the user can activate mobile carrier services without the need for a physical SIM card exchange.
How does eSIM work?
The eSIM card functions as a digital SIM card, embedded in the device. How exactly does this technology work?
1. Built-in SIM card – eSIM is integrated with the device (e.g., smartphone) during production. It is not a physical card that can be removed or replaced.
2. Remote activation – to activate the eSIM, the user scans the QR code provided by the mobile operator or manually enters the activation data. The operator sends the necessary information (the so-called eSIM profile) to the device remotely.
3. Storing multiple profiles – eSIM can store multiple mobile operator profiles, allowing for quick switching between them without the need for physical SIM card exchanges. The user can switch between profiles using the settings on the device.
4. Profile Management – users can manage their eSIM profiles using applications provided by device manufacturers or operators. It is possible to add, remove, and activate profiles at any time.
5. Security – eSIM data is secured, which minimizes the risk of theft or unauthorized access. eSIM is also less susceptible to physical damage compared to traditional SIM cards.
6. Flexibility and convenience – thanks to eSIM, users can more easily manage their mobile plans, use local data packages while traveling, and quickly switch carriers without visiting a store.
Virtual eSIM card – advantages
The main advantages of eSIM are:
- Ease of changing carriers – quick and easy switching between carriers without the need for a physical SIM card exchange.
- More space in devices – the lack of a need for a SIM card slot allows manufacturers to save space inside the device. This space can be allocated for better components, giving us access to more advanced features.
- International travel – easier management of data packages abroad and avoiding roaming charges, remote activation of local plans.
- Security – harder to lose or steal because the eSIM is built into the device.
- Eco-friendly solution – virtual profiles are a nod to ecology that eliminates the need to send traditional starter packs with plastic cards.
What else is worth knowing about eSIM? We answer the most frequently asked questions!
Which companies offer eSIM?
Many mobile operators around the world already offer eSIM, but it's worth checking the availability of this technology with your operator before making a purchase.
Do all devices support eSIM?
No, not all devices support eSIM. Currently, mainly modern smartphones, tablets, smartwatches, and some laptops have this feature. Before purchasing, it's worth checking if the device supports eSIM.
eSIM and eSIM ready
Some devices have the eSIM ready feature. In this case, to take advantage of the eSIM solution, you simply need to insert the chip into the appropriate slot in the phone that has eSIM ready status. This allows you to adapt your smartphone to support this technology.
Summary
The eSIM technology is a convenient solution for people who travel frequently, especially outside of Europe. To take advantage of this solution, make sure that your device supports eSIM or is eSIM ready, and check if your chosen mobile operator offers this technology in the countries you are visiting.
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Jan Garnecki
He is responsible for the communication of the myPhone brand – technology that is close to people. He passionately talks about solutions that support everyday relationships – making it easier to connect with loved ones, helping to ensure the safety of seniors, and teaching children their first steps in the digital world. For him, technology is a tool to be closer, not further away.