Well did the update and all seems well sound quality seems better phone pairs automatically, the world is good!
Just a note to anyone who hasn't done an upgrade before you must format the stick first so it is fully clean, unzip the files on your computer and copy them to the stick. Follow the instructions provided to the letter you will find that the messages on the dash come and go and radio may go on and off but be patient and wait until it confirms on the dash that it's finished takes a while.