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Help - issues Updating Firmware NanoVNA-H 4

 

I have had this NanoVNA-H4 (nanovna.com) for a little over a year now and just saw that there are firmware upgrades. It came loaded with Version 0.5.0 with a build date of Feb 21, 2020.

I am having no success inc connecting this to my PC. I am running windows 10, 64 Bit OS. I downloaded, unzipped and installed the ST Driver DfuSe_Demo_V3.0.6_Setup.exe. The program installed fine.

I've tried two ways to put the nanoVNA into the update mode, first by powering off, pushing the selector button in and powering which is supposed to put it into the update mode. I did get the black screen indicating that it indeed was. When I launch DfuSeDemo it doesn't see the nanoVNA. Next I removed it from the case and shorted the two pins with the same result.

If I launch Windows Device Manager and look under USB Serial Bus Devices, I see STM32 BOOTLOADER when the NanoVNA is in the update mode. I

Any ideas what I am doing wrong? I suspect this is a Windows driver issue.

Also, if I may, what firmware should I update this to?

Thank you!
 

If you see the unit is in bootloader mode, did you run Dfusedemo and see if it shows up in the upper left area as being in bootloader?
There are a number of messgae threads from just over a month ago regarding this.

Please do a search for "dfu mode" in the message area.

On Monday, February 28, 2022, 10:57:50 a.m. EST, <no8j@...> wrote:

I have had this NanoVNA-H4 (nanovna.com) for a little over a year now and just saw that there are firmware upgrades. It came loaded with Version 0.5.0 with a build date of Feb 21, 2020.?

I am having no success inc connecting this to my PC.? I am running windows 10, 64 Bit OS.? I downloaded, unzipped and installed the ST Driver DfuSe_Demo_V3.0.6_Setup.exe.? The program installed fine.?

I've tried two ways to put the nanoVNA into the update mode, first by powering off, pushing? the selector button in and powering which is supposed to put it into the update mode.? I did get the black screen indicating that it indeed was.? When I launch DfuSeDemo it doesn't see the nanoVNA.? Next I removed it from the case and shorted the two pins with the same result.?

If I launch Windows Device Manager and look under USB Serial Bus Devices, I see STM32 BOOTLOADER when the NanoVNA is in the update mode.? I

Any ideas what I am doing wrong?? I suspect this is a Windows driver issue.

Also, if I may, what firmware should I update this to??

Thank you!
 

Yes, the unit is definitely in boodmode and no it doesn't show up in Dfusedemo. That's why I'm puzzled

I'll look throught the messages.

Thanks Mark
 

Also, please browse the forum's Wiki for additional info

On Monday, February 28, 2022, 01:20:47 p.m. EST, <no8j@...> wrote:

Yes, the unit is definitely in boodmode and no it doesn't show up in Dfusedemo.? That's why I'm puzzled

I'll look throught the messages.

Thanks Mark
 

Hi Larry,

Found the issue. It was a Windows Driver Issue. Many thanks to KB5QR and his post in this thread!!

/g/nanovna-users/topic/34550986

Mark NO8J

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