It is an undeniable fact that BT support in iOS gets progressively worse, not better, with each OS update.
If someone at Apple would like to challenge that assertion, please do so. Otherwise, it is a FACT that Apple pares down BT support to promulgate its accessory licensing program. To wit, my Alpine deck worked wonderfully with iOS7. Now, if I touch the metal part of my phone with my hands, BT transmission cuts out.
Same deck, different phone,...