updating to 2.1 problem.. pls help urgent..

[sagarrana55]

hey guys i have iphone 2g with 1.1.2 version i went to itunes and click shift+update i have vista and i chose 2.1 file.. then it was updating but at the end it gave me error messege that.. iphone can;t be updated. error 6 or something.. then it gave me another error that itunes detect iphone in recovery mode.. u must restore what can i do?? and i have 1.1.2 if i hit restore what version will it restore pls help/./

[sagarrana55]

and its unlocked.. by restoring will my iphone be lock??? what can i do .. pls help can i turn off it again and turn it on?? and its 2g and software unlocked so pls help...