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I unlocked my Iphone using black ra1n and that installed fine on the phone but when i try to unlock it with other carriers using snow it wont work with the T-mobile sim. The sim is good and it works in other Iphone but not mine. What do I need to do, to get it to work?
I think your iPhone 3G is still completely not unlocked. You need to unlock it to use with your own T-mobile SIM card. You can unlock your iPhone 3G using remote unlocking service. You can get the remote unlocking service for an iPhone from ProUnlocking.com This method of unlocking an iPhone is safe, simple, affordable, quick and permanent. It does not require a jailbreak too. Good luck.