FAQ
What does eSIM compatible mean? What is an eSIM compatible device? Can all phones use eSIM?
eSIM-compatible devices = devices with an eSIM chip soldered inside it. eSIM-compatible, also called eSIM-enabled, devices are the devices that can support eSIM technology. And only the ones with an eSIM chip inside the device can do so. Most ...
How many eSIMs can you have?
The exact number of eSIMs that can be held simultaneously on one device depends on the device manufacturer. The number usually ranges between 1 and 8. But we’ve heard rumours of devices that hold up to 20 eSIM profiles. For example, the most recent ...
Are eSIMs reliable?
eSIM’s reliability depends on multiple factors. In theory, yes, they are. From a technical standpoint, they work in the exact same way as physical SIM cards. However, people using plastic SIM cards also report issues and challenges ranging from ...
Are eSIMs safe?
Short answer: yes, eSIMs are safe. eSIMs perform the same function as removable SIMs but thanks to their embedded nature, they can’t be removed from a device. Therefore, eSIM, with all the information it holds, cannot be stolen without stealing the ...
How does an eSIM work?
An eSIM works just like a traditional plastic SIM card everyone is very familiar with. The only difference is the activation process. While the plastic SIM card needs to be inserted into a device, the eSIM is an intrinsic part of it and must be ...
Who invented eSIM?
There is no single inventor of eSIM. The technology was developed by the Global System for Mobile Communications, widely known as the GSM Association or GSMA. The GSMA is a global organisation unifying the mobile ecosystem and representing the ...
When did eSIM come out?
eSIMs were initially introduced into the Internet of Things (IoT) sector in 2010 to take away the trouble of inserting and programming physical SIM cards into IoT devices. It offers increased flexibility and streamlines the logistical nightmare of ...
What is an eSIM?
In layman’s terms, an eSIM is a digital, non-removable SIM. An eSIM, short for "embedded Subscriber Identity Module," is a digital SIM card that is embedded directly into a device, such as a smartphone, tablet, smartwatch, or other Internet of Things ...
What is Data Roaming?
Data roaming occurs when you use data connection outside of your carrier's coverage zone. Your mobile network can make substantial charges for roaming outside of your network coverage zone and you may end up with an enormous bill without realising ...