Although OpenTX 2.3 and EdgeTX are now standard, some users stick with 2.1.9 for specific reasons:
Before flashing, it is highly recommended to within Companion to prevent loss of model settings. 3. Flash Firmware
To ensure maximum security and stability, always use the official OpenTX website for downloads. Visit the official .
The latest version of OpenTX, 2.1.9, brings several improvements and new features to the table. Some of the key highlights include:
: Perfect for radios that might struggle with the resource demands of later versions. Getting Started opentx 2.1.9 download
Open the newly installed OpenTX Companion 2.1.9 software on your computer.
software first; it will then download the specific firmware for your radio. Companion 2.1.9 Installer Companion 2.1.9 Disk Image Ubuntu/Debian 64-bit Installation Tips companion 2.1.9 link not working · Issue #9029 - GitHub 10 Dec 2023 —
: Many users on older hardware eventually migrated to er9x , which some claim offers more useful features for the limited memory of original 9X radios.
The OpenTX project keeps older releases on GitHub. You can download version 2.1.9 from there: Although OpenTX 2
Download and install the corresponding OpenTX 2.1.9 SD Card Contents to ensure sounds and scripts match the new firmware version. Troubleshooting the 2.1.9 Download and Installation
Warning: Always remember to back up your existing EEPROM (model settings) and current firmware before flashing a new version to your transmitter. Moving Forward
Released in September 2016, OpenTX 2.1.9 brought necessary bug fixes, stability improvements, and enhanced support for the FrSky Taranis series. What is Included in the OpenTX 2.1.9 Download?
: Version 2.1 was famous for changing how telemetry worked. If you are "downgrading" to this or upgrading from 2.0, you will likely need to rediscover all sensors. Visit the official
If you absolutely must run 2.1.9 on your hardware, be prepared for bugs that were fixed years ago and a lack of support for modern receivers (like ACCESS protocol).
These modern radios require OpenTX 2.3.0 or higher. Installing 2.1.9 on incompatible hardware will permanently brick your transmitter. This guide and the download below are strictly for .
| Platform | Download Link | | :--- | :--- | | | companion-windows-2_1_9.zip | | macOS | companion-macosx-2_1_9.zip | | Linux DEB (64-bit) | companion21_2_1_9_amd64.zip | | Linux DEB (32-bit) | companion21_2_1_9_i386.zip | | Linux RPM (32-bit) | companion21-2_1_9-i686.zip |
Upgrading to OpenTX 2.1.9 offers several benefits, including: