Bluetooth data tether to my prius fails after JB upgrade

Hello all,

Hoping to get a bit of help here. My Toyota prius normally needs Toyota's Entune app to pair up to the care for pandora and other funtions. You can look up the app reviews but suffice to say it is HORRIBLE. Connection drops huge battery drain and constant unstoppable notifications. Well I had figured out how to setup to the car using DUN/PAN connetion option and this was working flawlessly. Just updated to JB and now this connection immediately fails. I am assuming whatever broke peoples wifi tether is also causing this. Any ideas on how to fix this? Or barring that I would be willing to rollback my upgrade if anyone could be so kind as to give me the steps or point me in the right direction I would be very gratefull.

No matter what they upgraded it won't be worth it for me to lose all the car funtionality.

Thanks