Lightbulb Metro pcs sch-r530m unlock

Hello there every body. I'm trying to find out how can I unlock my sch-r530m from metro pcs us. I been searching like crazy. But I just can find any information on it. And I know of you can unlock it. Because I seen an eBay the people are selling the phone unlocked. So if there anybody in this website. that can help. I will even pay somebody can tell me How. Or iff they can do it