Thank You Bob , I will try that.
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On Tuesday, March 12, 2024 at 08:38:08 a.m. EDT, Bob Ecclestone VK2ZRE <becclest@...> wrote:
Hi,
Follow the instructions in the manual to put the NanoVNA-F in DFU mode.
This involves pressing and holding the jogwheel or button while powering
the unit on. The screen will be blank.
On a Windows machine, go to File Explorer and your VNA will appear as
USB Storage device.
Copy the new firmware file into the root directory of that device.
Power the VNA off and then power up as normal. The device will update
automatically.
HTH...Bob VK2ZRE
On 12/03/2024 8:57 am, CORNACCHIA via groups.io wrote:
? Hello Raymond, How to recover?and and flash the NanoVNA?it will not turn on the screen is Dark, thank You
? ? ? On Monday, March 11, 2024 at 04:07:19 p.m. EDT, Raymond Domp Frank <hewpatek@...> wrote:
?
? ISTR the latest is version 0.5.0 or so. Definitely nothing with a 4 in it. I saw it on the Sysjoint site the other day. Make sure to choose the correct device, apparently F V2. There¡¯s also an F V3 btw.
Just flash that version. Way to recover and be able to flash are pretty simple and all over these Groups. There¡¯s no such thing as hardware ¡°bricking¡± these devices by trying to load a wrong firmware.
Look for what many have done and described before you.
Raymond
? ?
