Opentx 2.1.9 Download !new! Now

To download OpenTX 2.1.9, follow these steps:

You can find installers for Windows, Mac OS X, and Linux. opentx 2.1.9 download

Before you downgrade, ask yourself: Do I really need 2.1.9? To download OpenTX 2

Connect your transmitter via USB (in bootloader mode) and click Write Firmware to Radio ⚠️ Important Considerations SD Card Contents: Upgrading from 2

Before flashing, always use the "Backup Radio to File" option in Companion. Upgrading from 2.0.x to 2.1.x changes how telemetry works, so your old telemetry screens might need a manual rebuild.

For hobbyists using older hardware, this version is more than just a legacy download; it’s a necessity.

Unlike modern versions available via the OpenTX Companion auto-updater, version 2.1.9 is no longer listed on the official front page. You must use the or the official OpenTX Releases page .