New watch will not activate and phone trade in discount still not showing on my account

I have Been dealing with the device credit issue since November. I’ve been to the store 9 times and have made many many calls wasting hours of my personal time to get this resolved. The only thing I keep Getting told is to call back every few months and they can credit my account but I just Want it fixed properly so I am Not wasting more time or I want the exact phone I sent in for trade returned.  The call center is just horrible to deal with because they just push for you to buy a watch. Speaking of that, I just Received my new Apple Watch Ultra that while on the phone about the billing I wanted To get the service changed from my old Apple Watch 6 to the new. They said it was handled but it is not because they were more worried about trying to sell me more watches. I have Been a mobile customer since the beginning with nearly zero complaints but the past 6-7 months of these issues is really frustrating and disappointing. Can someone please help get this resolved.