The first post in the iOS forum https://www.geekzone.co.nz/forums.asp?forumid=76&topicid=303371

Won't help you with a PIN unlock but should prevent you ending up with a brick, assuming you can prove owenership.

dacraka: Thanks, yes we own the device.
Unfortunately according to your link we would have to wait one year, which we don’t want to do.
Cheers

Have a quick scan of the Macrumors forums - there'll be an answer there, for sure (one way or another). 

http://forums.macrumors.com