en-us https://www.intensedebate.com/users/4683075 Comments by husks http://blog.iphone-dev.org/post/18906290309#IDComment334600849 Wonder if you guys are able to help me? I have a jailbroken iPhone 4 on 4.2.1 and on baseband 01.59.00. I would like to upgrade to 5.1. Can I upgrade it, preserve the baseband and unlock it yet? Sun, 8 Apr 2012 13:56:02 +0000 http://blog.iphone-dev.org/post/18906290309#IDComment334600849