Beware of cheap underperforming clones

As of 2023 there are many badly performing clones on the market. V2/3GHz NanoVNA uses parts like ADF4350 and AD8342 which are costly and clones have been cutting costs by using salvaged or reject parts.

See official store and look for V2 Plus4/V2 Plus4 Pro versions only to avoid getting a bad clone. We have stopped selling V2.2 versions since October 2020, so all V2 hardware that are not Plus or Plus4 are not made by us and we can not guarantee performance.

NanoVNA V2 Forum

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Tool for saving the current version of firmware?

Sam Reaves 2023/10/09 08:51

Is there a tool for the NanoVNA V2 to save the currently installed firmware from the device to a file so one can revert to the previous version of
firmware if something goes wrong? I know that you can do this with the DeFuse tool on the standard NanoVNA but that tool does not work
with the V2 product.

If so would someone please upload that tool to the files section.

Best regards,

Sam
W3OHM

nanov2support 2023/10/16 02:08

Hi, this can only be done using an ST-LINK adapter. You may also check the firmware version under CONFIG / VERSION, and download that version from nanorfe.com. If your firmware version is not found on the website, please contact customer support and we will provide a link to the firmware. Thanks

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