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The number of IoT connections is expected to double by 2025 (105% growth), which would lead to 24.6 billion connections, generating USD $1.1 trillion in revenue. Meanwhile, SIM connections will grow 10%, reaching 8.8 billion.

Based on the latest version of GMSA SGP 02 specification, mioISM eUICC IoT has been designed to push pre-provisioned MNO profiles to the eSIM on boarded on the IoT device. Together with VALID eReach SM-DP (Subscription Manager Data Preparation) and VALID eReach SM-SR (Subscription manager Secure Routing) IoT device makers and service providers can easily manage their IoT devices’ connectivity using a single eSIM SKU world-wide¹.

According to ABI Research, a 143% growth in industrial products (M2M) that are eSIM-enabled is expected to increase from 95 million units in 2018 to 231 million units in 2024.


Benefits for the IoT device makers

  • Miniaturization: Soldered form factors such as VQFN8 and WLCSP requires tinier space in the PCB layout allowing device size reduction or saving space for other components.
  • Ruggedness: Traditional plugin SIM slots removal brings water-proof, dust-proof and extreme conditions support capabilities to devices.
  • Endurance: Industrial and Automotive grades variants have a longer lifespan and data retention to extend IoT devices operation on the field.
  • Enhanced Security: the device is protected from cyber-attacks and hacking.
  • Lower power consumption: As long as many IoT devices are to be deployed on the field in remote areas unattended, power consumption is critical to extend the battery life and, as a result, IoT device life of operation that results in much less maintenance and/or replacement costs.
  • Improved logistics: One single eSIM SKU can cover the whole IoT geographical scope avoiding multiple device variants reducing stock and distribution costs.

Benefits for Service Providers

  • Cost Control: to be able to swap MNO connectivity by pushing a different profile onto the card, it gives service providers power of negotiation towards MNOs to get the best connectivity tariff possible in the country/region.
  • Expanded project coverage: to use the same IoT devices across regions
  • Security based features: eSIMs offer an additional security component that is not found in previous SIM cards as eSIMs can act as a secure element embedded inside the device. Inside the eSIM chip, in addition to connectivity, other applications can be included such as mechanisms for sending information, location, operation, or device identification. Since they are inside the device and cannot be altered, eSIMs can be used as a mechanism to prevent falsification of reported information.
  • 5G ready: On 5G networks IoT devices can benefit of lower latency and extended number of devices per network cell avoiding connectivity quality issues due to congestion.

eSIM + Dynamic multi-IMSI solution, the ultimate combination to maximize connectivity management efficiency

Since IoT connectivity is boosted by the eSIM, eUICC ecosystem still has its downsides: any IoT deployment using eUICC that wants to change MNO can do so, however it is required first to check that the new MNO is suited with the corresponding SM-DP and it requires integration with IoT Service Provider’s SM-SR. As a result, IoT deployments might suffer significant downtime.

The Multi-IMSI benefits

While an IMSI (International Subscriber Identity) is a globally unique number used to authenticate the device on a cellular network, the Multi-IMSI is a Java application running on the SIM able to swap IMSIs following a predetermined business rules & logic. That means IoT devices can switch cellular networks using a single MNO profile.

As a result, Multi-IMSI connectivity means connectivity service is instantly available with no further integrations over all countries and networks the host MNO has roaming agreements with.

The only Multi-IMSI downside is about its regulation. Some countries’ regulators and/or MNOs don’t allow Permanent Roaming. That means, IoT devices cannot use a foreign IMSI to authenticate and connect in a local network during the whole device lifecycle.

eUICC ecosystem is the solution for those countries where Permanent Roaming is banned.

As a result, the combination of eUICC + Multi-IMSI technologies maximizes the geographical scope using a single eSIM SKU while minimizing the integration and testing burden & associated extra costs.

Learn more about the dynamic VALID mult-imsi solution, the SOLVEX IMSI manager, here.

Supported form factors and grades:  

Technical Specifications:

  • mioSIM® OS is compliant with ETSI Release 15 Specifications
  • GSMA specifications (SGP.01/SGP.02)Embedded SIM in M2M Devices
  • Oracle Java Card™ Specification
  • Global Platform Card Specification
  • Global Platform Car Specification, Amendment B
  • Global Platform Device Technology
  • Secure Elements Access Control
  • 5G ready
  • OTA

[1] eSIM usage might be restricted by regulators in some countries.

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