OpenTX 2.1.5 Improving your Tx
OpenTX Companion and firmware are now available as version 2.1.5.
Download and install Companion and use it to retrieve and transfer the latest OpenTX firmware to your radio.
Please note that the Windows version and the Linux RPM versions of Companion are released first. OSX and deb packages may be released later on.
OpenTX Companion 2.1.5 - Linux RPM Package 32-bit
Notice for Windows XP users
If you experience a problem starting Simulator.exe, then install Microsoft Visual C++ 2008 Redistributable Package (x86)