Apple iPhone 3GS Questions & Answers
Unlocking 3gs - help please

Just got a new iphone 3gs, carrier locked. iOS 4.2.1, BB 5.14.02. How can I SIM unlock it? Help!
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Just got a new iphone 3gs, carrier locked. iOS 4.2.1, BB 5.14.02. How can I SIM unlock it? Help!
http://www.idownloadblog.com/2010/11/28/how-to-prepare-your-iphone-for-unlock-with-pwnagetool/
http://www.idownloadblog.com/2010/11/28/ultrasn0w-iphone-unlock-for-ios-4-2-1-is-available/
Good luck and don`t forget to backup first!