It is no longer a news that BB 10 unlike Iphones that has "I-cloud", has something called "Anti-Theft" to help wipe or block your device if stolen...

But reverse is the case, maybe not stolen but you forgot your password and wants to bypass it, ease your apprehension For In this brief guide, powered by sleader I’ll be explaining to you how you bypass or remove the Anti-theft protection on your Blackberry 10 device in case you never set such or you forgot your login credentials.

The Anti-theft protection is a security feature which is meant to help you track, block or wipe your Blackberry 10 device if it gets lost or stolen.
- See more at: http://www.dsmedia24.com/2016/01/how-to-remove-blackberry-10-anti-theft.html#sthash.W0pIpSPP.dpuf