I agree 100% with what you are saying. I too thought the Evo was maybe a little rushed to market and lacked some fairly simple seeming refinement. I just decided to sell my Evo and that's what I did. Just seems like the support is not there not to mention that several well known vendors that I...
I just ordered the Alientech ALIENTECH 2.4Ghz Antenna booster for DJI MAVIC PRO / PHANTOM .... I just wanted to try one out and see if they're any good or not. Looks like it's made pretty well so I guess we'll see in a few days.
Were you going to modify the controller yourself or have someone else do it. A lot of people don't want to mess with the Evo controllers for some reason. It's not that hard to do.
I made it to the second flight before my controller started giving me "stick error" and then it would not do anything. I ended up just trashing that one and buying a new controller.