I found about blazing electronics form an article i read online
http://www.digitaltrends.com/mobile/how-to-sell-an-iphone-without-getting-ripped-off/
I sold my AT&T iphone 5 in Good condition. I got paid within 2 days after the package was delivered. They keep you posted during different steps of the process. I really felt i got the service i deserved and was painless. I recommend everyone to try them out.