I'm sorry but I cannot understand your post. What does "I guess I'm taking new new phone back and keeping my i6." mean? To me it sounds like "I'm taking back a phone running iOS 9 so I can keep a phone that could be easily updated to iOS 9." I would need to know more about your situation to be able to offer coherent advice.
You can use wOS1.1 with iOS9 (you didn't have to update yourSo I got an i6S+ with iOS9 on it and then updated my watch to be able to pair it to my new phone. Now the watch has OS2 on it. But, since I'm taking my i6S+ back, my old i6 still has iOS8 on it. Can I pair the i6 with iOS8 back to the phone?
I guess I left out I'm jailbroken
Don't think this is possible. On wOS 2 beta you had to carry it to the...Perhaps there is a way to roll the watch back to WOS1 so it will work with your JB phone?
Especially if they find out the reason why you don't want to upgrade is because you have a JB'd phone.I doubt they would still be doing this.