A viewer commented on the NanoVNA H4 firmware upgrade video stating that it was stuck in DFU mode and he was unable to get it out of there.
This issue can happen from time-to-time. There is a few options to fix this problem so I asked the viewer to send me their NanoVNA H4 so I may attempt to fix it and provide some guidance for others that may have this issue.
In this video I show you how to use the first, and easiest method to fix a NanoVNA H4 that is stuck in DFU mode.
If you have a similar issue and this method does not solve your issue please reach out to me as i would be interested in demonstrating the other methods to fix the problem.
Thank you for watching and I hope this helps others with the same issue.
73, Matt N3VAN
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