can I factory unlock my iPhone 4?

[Omarsafadi]

i got my iphone from the US.. it's factory locked so i'm using gevey.. is there anyway to factory unlock it??? i saw this link and thought about asking you guys before i did anything:

[go ahead and remove my link if you think it's a spam]

are these guys for real?? if yes please tell me and i'll go ahead and do it

thanks in advance..

btw i'm using iPhone 4 ios 5 baseband 04.10.01 .