On Sat, Mar 21, 2020 at 01:02 PM, Nbridgema wrote:
All I can say is that worked for me, without a dfu file.
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Quite right. A dfu file is only needed if you are using the STMicrolelectronic's DfuSeDemo utility to upgrade your NanoVNA (-H or -H4) on the Windows platform.
- Herb