Everything perfect, they contact me to explain how the 3.4 works on my 2016 truck for car play. told me that i have to upgrade the usb hub and gave the part# cuz i didnt know that i have to do that, the service was perfect. The package came well protected and on time. I installed on my truck and work perfect. No more apim problems i wish i can upload a picture of a before and after of the process but judgme doesnt let me. Thank you for your service i really aprecciate