i did the latest unlock on blog.iphone-dev.org using pwnage 4.1 with ipad bb 6.15
it worked but i had no service, so i did it again and i shouldn't have.
now i get error code 1604
if anyone can help i would greatly appreciate it
the troubleshoots at support.apple.com
restoring to factory settings
restoring to the fw 4.2 ipsw
and using pwnage 4.1 with ipad bb 6.15