Documents & Media

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Overcoming a Key Hurdle in eSIM Monitoring

Discover how the eSIM Tracer solves one of the biggest challenges in eSIM monitoring: the loss of physical access. Whether you're working in network operations, testing, or managing the eSIM lifecycle, the eSIM Tracer gives you the critical insights you've been missing, without needing physical access to the SIM.

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How MEP is Changing eSIM – and Why Tracing is Now Critical

MEP is changing how eSIM behaves—and debugging gets harder fast. If you’re dealing with parallel profiles, dynamic switching, and heavier signaling, this webinar breaks down what’s new with Multiple Enabled Profiles (MEP) and shows practical ways to monitor, trace, and debug multi-profile behavior with confidence.

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eSIM Testing Without Physical Access

Live recording of a joint webinar with leading portuguese mobile network operator NOS, featuring the COMPRION eSIM Tracer. We show how our solution provides visibility in a world without physical UICC interfaces, supported by real-world insights provided by Christophe Saraiva of NOS on implementing monitoring in live network environments.

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Capturing eSIM APDU Logs During Profile Download

In this short demo, Andras Talas shows how to use the eSIM Tracer to capture APDU communication between the eSIM and the baseband while downloading a real MNO profile to a smartphone. See how the tracer provides deep insights into the activation process and enables efficient debugging and analysis.

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Testing Multiple Enabled Profiles on Pixel 9

See how the eSIM Tracer works with devices that support Multiple Enabled Profiles (MEP), using a Google Pixel 9 as an example. You will see how the tracer monitors APDUs during profile activation, how to filter and identify enable profile requests and responses, and how profiles are enabled successfully across different slots.

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eSIM Tracer Demo

In this 10-minute video, COMPRION expert Andras Talas walks you through the key features and capabilities of the eSIM Tracer. See how our powerful tool for analyzing eSIM communication in real time provides deep insights into the communication between device and eUICC. 

Documents

Supported Devices

This application note gives an overview about existing APDU Tracing Adaptors and the supported devices.

Download Application Note

White Paper: Resolving Mobile Device Behaviour in Networks Using eSIMs

This document outlines a strategy to troubleshoot network-related issues in eSIM devices by making the hidden communication between device and eUICC visible.

Download White Paper

Visualizing eSIM–Device Traffic

Discover how NOS used the COMPRION eSIM Tracer to gain full transparency in eSIM validation—ensuring secure and reliable 5G services.

Download Success Story

News

What is MEP – and why is it more than just another eSIM feature?

MEP (Multiple Enabled Profiles) is far more than just a technical extension of eSIM – it represents a significant step toward true flexibility in mobile connectivity.

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A photorealistic image of a modern smartphone with a glowing eSIM chip icon under a magnifying glass, connected to a laptop showing protocol analysis of eSIM-device communication

eSIM Tracer Now Supports MEP and Samsung Exynos Chipsets

COMPRION announces the release of eSIM Tracer Release R1.1 – a significant update to the powerful diagnostic tool that visualizes real-time communication between eSIM and mobile module. 

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Mobile device with active eSIM, held and used by a person

A Breakthrough in eSIM Diagnostics

COMPRION launches eSIM Tracer, a trace tool for efficient troubleshooting and comprehensive diagnostics of communication between permanently soldered eSIMs and mobile devices.

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