Hey,
I came across a way to convert your dx2.0 radio to dx3.0 a while ago, and made a how to video showing how I did it
It's pretty simple, only required a soldering iron and a magnifying glass unless you have super amazing eyes xD
Hope it comes in handy for some of you out there
Worked for me
As always, I am in no way responsible for any damage you may cause during the procedure of modding your radio. thank you
The video below demonstrates:
http://www.youtube.com/watch?v=eecLscLowt0