Powermouse+ (Flarm update via wifi error)

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David Blažek

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Apr 27, 2026, 3:40:34 AM (4 days ago) Apr 27
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Updating Powermouse+ Flarm with latest firmware via wifi gets me error 0. Before I open the panel to stick the USB in, I would like to find a reason why is this happening. Login and settings work without issue but during an update, after uploading firmware to Flarmlink, the installation fails. The process with % bar never shows up.

I've tried iOS, Mac OS and Android with no success... :/

Anyone experienced similar behavior?

IMG_7599.PNG

Paul Remde

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Apr 27, 2026, 7:34:48 AM (4 days ago) Apr 27
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Hi David,

I have seen the same error.  I reported it to LXNAV.  I found that I was able to update the PowerFLARM+ firmware using a USB Flash Drive.  I recommend doing that.  

The FlarmLink firmware update worked fine over Wi-Fi.  I recommend updating it.  It is available on the Firmware download page at lxnav.com.  You need to download the file to your phone before you connect to the PowerMouse+ over Wi-Fil.

I'm sure LXNAV will get it working soon.

Best Regards,

Paul Remde
Cumulus Soaring, Inc.

David Blažek

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Apr 27, 2026, 9:45:07 AM (4 days ago) Apr 27
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Thanks Paul! I guess I was just too optimistic about this "wifi updating" while hiding the Powermouse well behind the panel)) Anyway, I will give it a try. Maybe the latest update will be the problem solver for me. Also while talking about the Flarmlink, I checked that as well but Flarmlink itself is on the latest version. So this was pretty much where I ended. Anyway, I already have the USB prepared for it. Have a good one!
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