Unable to download firmware

[BD3OOX]

Usdx made from accessories purchased by me

After entering the serial number, the website prompts that the firmware cannot be downloaded. According to the description, let me check whether the serial number is correct. I can ensure that the serial number is displayed on the usdx screen.

What do I need to do?

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This is really good news, with S/N deleted due to security issues a new (tr)uSDX is born: welcome and congratulations! Please verify if the number is correct.

[dl6sez]

Hello OM,

there is more text given by the website....
There is written something like: contact to....

73 de Chris