[GCARC] NanoVNA-H4 Firmware Upgrade

[A Cerami]

All, I have a NanoVNA-H4 and would like to upgrade the firmware.From Ver 1.0,71 Dislord/edy555 2021 to the newest version. Does anyone have recommendations. Defuse Demo does not seem to be working for me.Thanks
Anthony Cerami  
N2OAC General Class Amateur Radio Operator

WRPU426 General Mobile Radio Service
What happens under the chassis stays under the chassis.