SamyGO

I don't have KOR as a region on my F4000

You need to get into the advanced service menu, either with a phone and an IR blaster, a factory remote or certain programmable universal remotes. You need to program the remote or phone to send a code for the factory and 3speed button.

If we would have some sort of internet connection, we could use the ruCommunicator.

I've been searching around for a little while and I think the only Method ( since we don't have a LAN/WIfi port) is to try to get into the advance service menu with either a samsung factory remote or a programmable remote. You need to program one of the buttons as a 3speed button and another one as ...