Need clarification on trade-in value after paying off both devices (iPhone)

Hello Xfinity Custemer Service,

I am hoping someone from Xfinity can help me understand my billing and trade-in situation.

Here is the timeline:

• Last year June, I purchased an iPhone 16e through Xfinity Mobile under a promotion advertising a $400 discount, and the device was financed over 36 months.
• In January this year, I upgraded to an iPhone 17 Pro and traded in my iPhone 16e. The iPhone 16e had only been used for about six months and was in very good condition when I traded it in. The iPhone 17 Pro was also financed.
• In April, I was charged approximately $469, which paid off the remaining balance of the iPhone 16e.
• Last week, before transferring my service to another carrier, I paid approximately $886 to pay off the remaining balance of the iPhone 17 Pro.

As of today, both devices have been fully paid off.

I understand that I may no longer be eligible for the original $400 promotional discount because I transferred my service before completing the promotional period. While I do not recall that condition being clearly explained when I enrolled in the promotion, I understand that this may be a separate issue.

My main question is about the trade-in device. Xfinity accepted and kept my iPhone 16e when I upgraded, and I have now paid the full device amount for that phone.

I would like to know:

1. What was the trade-in value assigned to my iPhone 16e?
2. When and how will that trade-in value be credited or refunded to me?

If the trade-in value is $0, could someone please explain why Xfinity accepted and retained my fully paid device without providing any trade-in value?

I’m not asking to receive the $400 promotional credit if I’m no longer eligible. My concern is specifically about the trade-in value of my fully paid iPhone 16e, which was surrendered to Xfinity during the upgrade process.

Thank you in advance for any assistance.