Opentx 2.1.9 Download !!install!! -

: 2.1 requires a different sound pack structure than version 2.0. Users should download the 2.1-specific sound packs to ensure system voices work correctly. Critical Installation Notes

: It is the last version compatible with AVR-based radios (9X/9XR with stock boards, Gruvin9x, and DIY MEGA2560). opentx 2.1.9 download