I have the Kia Optima also. For some reason, My Mate 9 will connect and then loose connection. I have not been able to find a solution. My wife's S8 and HTC 10 connects fine.
Thanks for all the help unfortunately I got rid of my Mate 9 because of this issue. Sadly it what I had to do since my Mate 9 was my could sync with my work car
Thanks for all the help unfortunately I got rid of my Mate 9 because of this issue. Sadly it what I had to do since my Mate 9 was my could sync with my work car