For those who got the bug of the diversity not working and allways fixing on antenna B this will work great!
Just follow the steps on the video, and dont forget to flash to the latest version.
You can check the wiring scheme on piodabro firmware page.
Note: This will update to 48CH too.

Parts needed

Links for the downloads

piodabro firmware –…

FTDI drivers –

Stsw St-link utility –…

Credits to piodabro and RCGroups Forum –