Meshcore firmware for the LilyGo T-Echo Plus

Anybody knows where to find the Meshcore firmware for a LilyGo T-Echo Plus?

Or can you use the LilyGo T-Echo Meshcore firmware.

Hello,
Lilygo GitHub repository has sample code and more detailed information about this board.
Here is the official firmware on Github:

Also you can check out the Lilygo community:

Best regards.