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Bill, From what I see, V1.2.24 is the Windows application, not the nanoVNA firmware. It looks like V1.2.20 is indeed the latest firmware. Tony

Not much: /g/nanovna-beta-test/message/4352

All, On a different thread someone mentioned the latest firmware from Dislord is v1.2.24. I have 1.2.20 installed and was wondering what is different between the two versions. I can't find a change

Slightly off-topic - I provide modified firmware for NanoVNA-H (the small one) with 8 store/recall slots in memory instead of 5, useful especially for older HW revisions without SD card slot. Have a

The latest DisLord Firmware now; https://github.com/DiSlord/NanoVNA-App/blob/main/NanoVNA%20H4%20v1.2.24.dfu István

Brilliant, thanks for the pointer; was able to flash to the latest NanoVNA-D and now can save and load calibrations from SD. ?

Recent firmware from DiSlord has 7 slots. If that's not enough, your H4 very likely has a micro-SD card slot installed inside. Open it up and check. You can put an SD card in and then use the 'save to

I have a NanoVNA-H4 and love it, I use it for antenna tuning but it does not have enough recall slots for all the bands that I'd like to work (it has 7, 8 or 9 would be ideal). Are there any firmwares

But I will send an email to Nooelec and ask..

Thanks, I doubt I would get a replacement as it was more than two years ago that I bought it. I noticed that the display looked a bit strange in the outmost left but I didn't know it was an error.

I had the same advice to my techs when replacing fiber optic jumpers...

Try again.. on Windows system you can use this app: https://github.com/DiSlord/NanoVNA-App/blob/main/Win32/Release/NanoVNA-App.exe the last fw already inclusive... István

You probably flashed the H4 instead of the H version of the firmware.

Hi De vu2lf/KC1GZQ - Laxman - Chennai - Tamil Nadu, my nanovna getting white screen after flash , NanoVNA - H , HW version :3.5

Same result also if set lower to 333 or 100hz

IF Bandwidth is set to 1000Hz unfortunately

Set DISPLAY->IF BANDWIDTH to 1000Hz or less, on old firmware this default, new use 4000Hz faster but more noise

Yeah it starts at the threshold frequency which is set to 290 default. I've tried lowering the threshold but the behavior follows it down. The behavior is observed after a SOLT calibration has been

The quality of the solder joints on the RF connectors looks pretty sketchy; if they look like that on the replacement I would strongly suggest touching up those joints. 73, Don N2VGU

There is even newer firmware... for H: https://github.com/DiSlord/NanoVNA-App/blob/main/NanoVNA%20H%20v1.2.24.dfu Istvan