Mobile Trade-In Never Credited- 4 months and counting

I traded in my phone for a new phone on October 4, 2024. I sent in the trade-in to Assurant that same day. Tracking shows the phone to be received October 8, 2024.

I have not received my credit as of yet. I have contacted customer service at least six times to try and resolve this problem. Customer service tells me that I have to contact Assurant, who processes these trade-ins. When I call Assurant, they tell me that I have to contact Xfinity. So no one has been able to resolve this issue, despite multiple calls.

At this point, if I can't get this resolved shortly, I will file suit against Comcast for breach of contract, fraud and whatever other damages I can document. De facto breach of contract- Comcast made an offer, I accepted that offer, I made payment to Comcast and signed the contract. That's an executed contract. Which they never fulfilled on their end.

I think if this is standard practice, I will look into filing a class-action lawsuit against Comcast. This is fraudulent and criminal activity, or pure incompetence.