Multi platform firmware flasher for the TIDRADIO TD-H3 & TD-H8

Download Here
https://github.com/nicsure/TDH3Flash/releases

This is a console application. You will need the dotnet 8.0 runtime installed for whatever platform you are using.
https://dotnet.microsoft.com/en-us/download/dotnet/8.0
You're looking for ".NET Runtime 8.x.x" on the right of the page. Download and install the version relevant for your system.

To run, open a CommandPrompt/Terminal/Console window and navigate (cd) to the folder you unzipped the app to:

  • Windows
    TDH3Flash.exe

  • Linux And MacOS
    dotnet TDH3Flash.dll

Run without parameters to get a list of available serial ports.
Command usage is displayed in the console

Michał Rychlewski has rewrote this software in Rust. Check it out here
https://github.com/derywat/tdh3flash-rs