Originally Posted by quintilio

I found out that there is a new Firmware update for the FS IT4. It comes preinstaled on the last IT4 shipped. A friend of mine has it and there is an option to change from the AFHDS 2 to AFHDS on the RX setup/bind screen. You can use the older 3 channel receivers and I think it keeps binded to the older receivers (could not test since we did not have these receivers).

I asked FlySky about the new firmware so we can update on our older IT4.
Awaiting for a response.