Exploring the Power of GSMA eSIMs in IoT Development

By Sunil Sonkar
2 Min Read
Exploring the Power of GSMA eSIMs in IoT Development

Great news for IoT developers! GSMA has introduced a revolutionary framework for IoT that allows super smooth integration of eSIM cards into devices. This has got related companies all set to roll out a bunch of new products in 2024. Let us take a closer look at how these GSMA eSIMs can make IoT projects more efficient.


Let us begin by demystifying the term – what exactly is an eSIM? Functioning as a miniature computer embedded in a secure microcontroller, an embedded Subscriber Identity Module (eSIM) serves as a powerhouse managing encryption keys and securely storing confidential information. Offering developers a plethora of advantages over traditional SIMs, eSIMs are non-removable, directly soldered into devices and saves valuable space on the devices. Because they are so tiny—between four to fifteen times smaller—eSIMs are a perfect match for IoT and wearable gadgets. eSIMs are sturdy and work well in things like factories and cars.

However, the untapped potential lies in the freedom eSIMs can offer end users. While technically capable of supporting multiple telecom operator profiles, users have historically been restricted from seamlessly switching between plans. Things are starting to change and there is something new on the way.

With a projected 30.9 billion connected IoT devices surrounding us by 2025, the need for seamless connectivity becomes important. The newest rules bring in something exciting – now, it is super easy and quick to sign up for stuff. Now, people can sign up for different plans from around the world and switch between them easily, which is a big change in how phone plans usually work. Over-the-air updates facilitate the activation or deactivation of plans from various international operators without human intervention.

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