Hi,I'm super new to this and trying to get a head unit that I purchased to work reliably. It has marked on the back from Phoenix Automotive, but reaching out to them for support has been mind numbing as they will only help if I give them the original purchasers order number. I've tried to explain I'd just like to purchase a new harness, a missing usb connector (USB Connector 1 that allows firmware updates), and maybe even a firmware update for the unit.The issue I keep running into is...Read more