Verizon doesn't give discounts up front, they stretch it out over 24/30 months depending on your agreement.
If you qualified for $800 off, you would see the retail cost of the phone followed by a promo credit. This translates to roughly $33.33 over 24 months or $26.66 over 30.
Doubing the supervisor was racial and feel more there was needless escalations going on because someone either didn't explain things or weren't listening.
Thanks for meeting with us in a secure channel, Zuhair. We reviewed the account carefully and we see your iPhone 5 is not eligible for a promotional credit. We are not able to issue credits to the account as the iPhone 5 is not eligible for the promotion. I apologize for any inconvenience this information may cause you. -Antonio