I swapped out the OEM one years ago for a Sony with Bluetooth. It worked great until a few months ago, when the Bluetooth ceased to work with the paired phone. Numerous people tried to re-establish the connection, but no luck. Time for new(er) head unit? Upgrade phone? Loose connection/disconnected in back? Thanks
Have you tried pairing any other phones in the household to the head unit to try and establish if it is an issue with the head unit? I don't think I have ever experienced an issue with backwards compatibility with any Bluetooth products over the years where an older product failed to continue working with the newest Bluetooth product. If the phone has no Bluetooth connectivity issues with other devices such as ear buds or another car in the household, I would have to suspect the head unit is at fault since it endures the harshest environment.
