As the automotive industry moves toward smarter and more connected mobility, eSIM technology is becoming essential for seamless and secure vehicle connectivity. The GSMA SGP32 standard is shaping the future of eSIM in connected vehicles, providing remote provisioning, enhanced security, and global coverage. This advancement enables automakers, OEMs, and mobility service providers to streamline connectivity management and unlock new possibilities for intelligent transportation systems.
In this article, we explore how SGP32 enhances eSIM technology, its impact on connected vehicle ecosystems, and how Horizon Connect is driving innovation in automotive connectivity.
What is SGP32 and Why Does it Matter?
The GSMA SGP32 specification is a next-generation standard designed to enhance eSIM remote provisioning and simplify the way connected vehicles manage multiple mobile network profiles. Unlike traditional SIM cards, which require manual swapping, SGP32-powered eSIMs allow vehicles to switch carriers over the air (OTA), ensuring:
- Global Connectivity: Vehicles can seamlessly connect to the best available network anywhere.
- Enhanced Security: Protects against cyber threats with advanced encryption protocols.
- Reliable Network Switching: Enables uninterrupted connectivity without physical SIM replacements.
- Future-Proofing Automotive Connectivity: Supports evolving 5G and IoT networks for smarter mobility.
| Specification | Year Introduced | Target Devices | Provisioning Model | Management Components | Ideal For |
|---|---|---|---|---|---|
| SGP.01/02 | 2014 | M2M (Machine-to-Machine) | Server-driven push | – SM-DP: Subscription Manager Data Preparation – SM-SR: Subscription Manager Secure Routing | Devices like smart meters and industrial sensors that operate autonomously with minimal human interaction. |
| SGP.21/22 | 2016 | Consumer Devices | Client-driven pull | – SM-DP+: Subscription Manager Data Preparation plus – LPA: Local Profile Assistant on the device | Consumer electronics such as smartphones, tablets, and wearables, allowing users to manage network profiles directly. |
| SGP.31/32 | 2023 | IoT Devices | Adapted client-driven pull | – eIM: eSIM IoT Remote Manager – IPA: IoT Profile Assistant | A wide range of IoT applications, including connected vehicles and smart appliances, especially those with limited resources and connectivity. |
Comparison of GSMA eSIM Standards Over the Years and the Benefits of eSIM with SGP.32
How eSIM and SGP32 Improve Connected Vehicle Ecosystems
eSIM technology powered by SGP32 is transforming the automotive industry by enabling:
Seamless Global Roaming
- Vehicles equipped with eSIMs can automatically switch to local networks without physical SIM changes.
- This ensures cost-efficient and uninterrupted connectivity, essential for fleet management and international mobility.
Remote SIM Provisioning (RSP)
- Automakers and OEMs can manage multiple network profiles without requiring dealership visits.
- Allows for OTA updates and dynamic carrier switching, reducing operational costs.
Stronger Cybersecurity for Connected Vehicles
- SGP32 enhances data encryption and authentication, preventing unauthorized access to vehicle networks.
- Helps protect V2X communications and cloud-based automotive services from cyber threats.
SGP32 and the Evolution of Automotive Connectivity
The automotive industry is undergoing a major transformation, with 5G, IoT, and AI-driven mobility shaping the future of connected vehicles. SGP32 plays a key role in this evolution by:
- Supporting 5G connectivity for ultra-fast data transmission and low-latency applications.
- Enabling vehicle-to-cloud (V2C) and vehicle-to-infrastructure (V2I) communication for smart city integration.
- Optimizing over-the-air (OTA) software updates, improving vehicle performance and security.
Conclusion
The adoption of SGP32 and eSIM technology is revolutionizing connected vehicle communication, offering unparalleled security, flexibility, and scalability. With remote provisioning, seamless network switching, and enhanced cybersecurity, SGP32 is future-proofing automotive connectivity for years to come.
At Horizon Connect, we support SGP32 adoption by providing a proof of concept for seamless implementation, ensuring that OEMs and automakers benefit from cutting-edge automotive connectivity solutions.
The future of connected vehicles is here—let’s drive it forward together!
