Why is my Blu Lifeplay mini asking for a privacy password?

[dillz21]

why is my blu lifeplay mini asking for privicy password

I have my phone a while now in which I've never used a password in my phone untill one day my phone went dead and when i charged it and turned it on its asking for the privicy password and i dont know anything about that so can you all help me with unlocking my phone from that please...