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DiSlord:
The version I had issues with, was v 0.9.1.1, with SD card option.dd
I had to downgrade to v0.9.1.0 without the SD card option.
It works normally now.
Although I did lose the scale on the right side.

Sent from Mail for W

From: DiSlord
Sent: Monday, October 12, 2020 11:29 AM
To: [email protected]
Subject: Re: [nanovna-u
sers] Help! My NanoVNA bricked after a firmware update!#firmware

What version of firmware not work? You can run for example LSE version and not install external quartz (then firmware not run).

You can try use last version from here:
/g/nanovna-users/files/Dislord%27s%20Nanovna%20-H%20Firmware
NanoVNA v1.0.39.rar

v0.9.1.1 - this first try enable SD card, in last version all worked + added more features

DiSLord:
Thank you!
I will give that a try after work this evening!

The device not ability be bricked, only damaged by strong physical impact.
If after a firmware upgrade it doesn't work as expected or doesn't log in, don't panic.
Because the device is in Device Firmware Upgrade mode during a .dfu upgrade, re-accessing the device can be made available with .dfu in the same way. In my case, after one programming firmware, the other programming firmware logged in with different colors.

Solution: In dfu mode, use the memory cleaner created by DMR, then install the firmware .dfu you want to use. Both are .dfu extensions, use them one after the other and the tool should work fine. In the Files folder, locate it as DMR-CLEAR_MEMORY_DFU.dfu.
Beta testers know that there is a possibility to upgrade the firmware through the nanoVNA-App, which incorporates this cleaning.

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