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    • What to Ask Your Hardware Provider
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  • Deep Dives ▼
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    • Future of eSIM
    • Who is the Real Hero?
GSMA v1.2

SGP.32 Blog

GSMA

SGP32.co.uk / GSMA
GSMA 31 July 2026

SGP.32 v1.3: What Changed, and Why You Should Still Design Against v1.2

On 28 May 2026 the GSMA published SGP.32 v1.3, alongside a matching SGP.31 v1.3 architecture update and, the day before, an updated eUICC PKI Certificate Policy v2.3. If...

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GSMA 20 July 2026

What is SGP.31 and How Does it Relate to SGP.32?

If you’ve been researching IoT eSIM, you’ve probably discovered that the new GSMA standard isn’t a single specification. Instead, it consists of several closely related documents, each with...

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GSMA 11 May 2026

SGP.32 v1.2: The Current Specification Explained

SGP.32 v1.2 is the current GSMA specification for IoT eSIM remote provisioning. It has been driving every commercial deployment, certification programme, and hardware design happening in 2025 and...

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euicc.co.uk

The UK authority on eSIM and eUICC - consumer, M2M and IoT standards explained

IoTPortal IoTSims Visit euicc.co.uk
SGP.32

UK reference for the GSMA SGP.32 IoT eSIM standard. Architecture, hardware, networks and implementation explained.

Visit the Blog →

The Standard

  • What is SGP.32?
  • Architecture
  • vs SGP.02 vs SGP.22
  • IPA-e vs IPA-d
  • eIM Portability
  • Glossary

Hardware and Networks

  • eSIM Hardware Guide
  • How OEMs Add eSIM
  • MNO, MVNO and Resellers
  • Bootstrap Providers
  • Teltonika and Tele2

Buyer Guides

  • Ask Your eSIM Provider
  • Ask Your Hardware Provider
  • eSIM Benefits
  • TCO Analysis
  • eSIM Security

Deep Dives

  • Bootstrap Issues
  • eSIM Lifecycle
  • Future of eSIM
  • Who is the Real Hero?

Blog

  • Eseye and SGP.32: How a Guildford IoT Pioneer Built the Orchestration Layer
  • SGP.32 Challenges: The Traps That Break IoT eSIM Deployments
  • Onomondo and SGP.32: Its eSIM, Its New eIM, and the Lock-In It Wants to Break
  • Is Your Cellular Modem Really Ready for SGP.32? BIP, STK and the Hidden Hardware Problem in IoT eSIM
  • The UK SGP.32 Landscape: Who Sits Where, and Where the Lock Lives
  • All posts →

© 2026 sgp32.co.uk - UK IoT eSIM Standard Reference. Not affiliated with GSMA.

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