In this post I will describe some unfinished hardware methods and information how to bypass (unlock) iCloud on iPad Wi-Fi, iPad Cellular, iPhone and iPod.
How to crash iOS 9.1 and get springboard.
Reach springboard on iOS 9.0.2 iPad
Steps to reach springboard on iOS 9.x.x
In theory you can flash custom firmware and unlock device using patched firmware. If you read instructions to modify firmware it looks like it should works.