#410: How to update the firmware on the SV4401A handheld VNA from Sysjoint / Chelegance @w2aew

#410: How to update the firmware on the SV4401A handheld VNA from Sysjoint / Chelegance @w2aew

Uploaded March 2026 | Updated September 2026, 2 weeks ago

This video shows how to update the firmware on the Sysjoint SV4401A Handheld Vector Network Analyzer (VNA) distributed by Chelegance. The latest firmware can be found either on the Sysjoint product page or the Chelegance product page:
sysjoint.com/index.php?tpl=product_detail&pid=11&uid=17&id=13&sno=1&list=2&lang=en
or
chelegance.com/products/sv4401a-4-4g-vna-with-7-capacitive-touchscreen
The process is very simple, doesn't require any extra software when using Windows 10 or 11.

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#410: How to update the firmware on the SV4401A handheld VNA from Sysjoint / Chelegance