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
Latest Version: 3.4.0 (2026-04-21)
Latest Version: 3.3.0 (2026-01-20)
Latest Version: 3.4.1 (2026-05-27)
This section contains experimental firmware variants with features under evaluation.
Version: 3.4.0 (Experimental)
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