Do you still have to unlock a brand new iphone for T Mobile?

My friend got a brand new in box (never opened) to 3g iohone sale.hes ganna sell it to me for 450. I have t mobile Can I still unlock it even though it has never been with or atnt I still unlock What happens?

Yes you do. I used these guys and strongly recommends: http://www.unlock-apple-iphone.com

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