How to flash firmware to Airspy - jharwinbarrozo/rotcontrol GitHub Wiki
Download the firmware here:
https://airspy.com/airspy-r2/ look at the very bottom Firmware updates
wget https://github.com/airspy/airspyone_firmware/releases/download/v1.0.0-rc10-6/airspy_fw_v1.0.0-rc10-6-g4008185.zip
unzip airspy_fw_v1.0.0-rc10-6-g4008185.zip
cd airspy_fw_v1.0.0-rc10-6-g4008185
airspy_spiflash -w airspy_rom_to_ram.bin
unplug and replug the device
To check firmware:
airspy_info
That's it you're done!