Official Releases

This repository is dedicated to releases of u-connectXpress — binaries, manuals, and changelogs for each supported platform. The source code lives in a private repository.

Binaries can be found under releases: https://github.com/u-blox/u-connectXpress/releases

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NORA-B26

Latest Version: 3.5.0 (2026-10-13)

• AT Commands Manual

• Error Codes

• Changelog

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NORA-B27

Latest Version: 3.5.0 (2026-10-13)

• AT Commands Manual

• Error Codes

• Changelog

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NORA-W36

Latest Version: 3.5.0 (2026-10-13)

• AT Commands Manual

• Error Codes

• Changelog

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Experimental Releases

This section contains experimental firmware variants with features under evaluation.

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NORA-B26 Channel Sounding Initiator

Version: 3.5.0-143 (Experimental)

• AT Commands Manual

• Error Codes

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Useful applications for u-connectXpress:

• s-center - Windows AT command tool for u-connectXpress https://github.com/u-blox/s-center
• XMODEM - Example implementations for Python and Ansi-C https://github.com/u-blox/xmodem
• ucxclient - Minimal C API for u-connectXpress AT Client ported to Windows, Linux, STM32 and more platforms https://github.com/u-blox/ucxclient
• ucx-windows-app - ucxclient console example application for Windows https://github.com/u-blox/ucx-windows-app