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GSMA v1.2

SGP.32 Blog

Tagged: Truphone

SGP32.co.uk / Tagged: Truphone
Vendors 6 August 2026

1GLOBAL and SGP.32: The Lock That Ships Switched On

The short version: 1GLOBAL owns the bootstrap – the profile burned into the device at the factory so it wakes up already connected – and that is where...

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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

  • 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
  • Wireless Logic and SGP.32: The Lock That Isn't a Layer
  • 1GLOBAL and SGP.32: The Lock That Ships Switched On
  • Kigen and SGP.32: The Lock Burned Into Silicon
  • All posts →

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