I did the 5.0 to 8.4 swap and everything worked great. Then my screen went black, but everything worked, just couldn't access any functions. I took it to my dealer who are great to me, and they ordered and installed a replacement radio for me. The difference is that there are no icons like iheart radio or any of those or no 3g signal. is this something that can be activated through Uconnect? The problem is that they only see a 5.0 radio under my vin, so I don't get any updates anymore for maps or anything. Anyone have any thoughts?