FLYWOO Firefly hex nano VISTA HD V1.0
6/ Flight firmware upgrade and write default CLI
1/ Activate DFU
mode
2/ BF Configurator will display to enter DFU mode. If it does not enter DFU mode, it may
be that the driver is not installed. The driver can be installed using IMPULSE RC software
Driver software:
https://impulserc.blob.core.windows.net/utilities/ImpulseRC_Driver_Fixer.exe
3/ Then load the local HEX firmware and wait for the flashing to complete. A green
progress bar is displayed to indicate completion, and DFU will become a COM port