Unlocked iphone 4 5.1 4.12.01 w/o really unlocking

I found a method so I can use a different carrier w/o really unlocking my iphone 4 xD My iphone 4's ios is 5.1, baseband:04.12.01. I'm gonna start selling this service in the user service section for beli :p If you don't want to pay beli and want to try to do it yourself...Here's one major hint. You only need to jailbreak your iphone4. Doesn't have to be untethered

you could just do this
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that's what I did :p I guess everyone's starting to use this now xD GeveySIM is gonna go out of business~

Originally Posted by Swift
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I just bought one, why are they going out of business?

this was a couple months ago xD they were gonna go out of business because a hacker made a...cydia program that lets us use different carrier sim cards. apple patched up this method though. so gevey sim is still in business