radio head unit

Hello, I want to swap my 2016 3.8 head unit with something newer. It is not the ultimate. How hard is it to change? Has anyone done it? Which one did you use? I want wireless apple car play. The main reason I want to change it is the unit is starting to lag really bad. Let me know if you have...

The radio stopped working with XM. At other times all the speakers stopped working except one. Then at other times there was no problem. The dealership told me there should be a recall. A number cars come in for the same repair. They had to order the part. And wait for it to be manufactured...