: Later versions introduced high-quality OSD (On-Screen Display) menus, allowing pilots to navigate settings directly through their goggles rather than relying solely on the module's small OLED screen.
After flashing any new firmware, you must recalibrate the RSSI to ensure the diversity switching works correctly: Remove Antennas : Both antennas must be removed from the module. Position VTX furious fpv true-d firmware
: Some users report "Red LED on" but no display; this often relates to firmware corruption or incompatible power levels during a flash [1, 23]. Updating Your Firmware Updating Your Firmware The V4
The V4.0 firmware is the most significant leap for the standard (non-X) True-D line, introducing features previously reserved for premium modules. furious fpv true-d firmware
Most pilots today are referring to this community firmware when they talk about the True-D.