en-us https://www.intensedebate.com/users/414299 Comments by overtime http://blog.iphone-dev.org/post/506498307#IDComment67940441 thank you. im waiting dev team Wed, 14 Apr 2010 11:00:51 +0000 http://blog.iphone-dev.org/post/506498307#IDComment67940441 http://blog.iphone-dev.org/post/506498307#IDComment67933772 why we cant update 4.0 on windows? someone say to me "evreka" :D Wed, 14 Apr 2010 10:06:21 +0000 http://blog.iphone-dev.org/post/506498307#IDComment67933772 http://blog.iphone-dev.org/post/87410307#IDComment17563429 I cant back downgrade to 2.2.1. Im upgrade 3.0 beta. So its good but i cant back to 2.2.1. iTunes give error "1604". Im download 2.2.1 IPSW and use QPWN. Its not working. Before 3.0 beta (using 2.2.1) im use QPWN already. Wed, 25 Mar 2009 10:24:56 +0000 http://blog.iphone-dev.org/post/87410307#IDComment17563429