Why do I get the message please enter privacy protection password to unlock?

[AC Question]

please enter privacy protection password to unlock

i changed the sim card of my phone and after rebooting the device, it shows a lock page saying " please enter privacy protection password to unlock". this page don't have Google log in method even.
please help me out....

 

[FiveOverEight]

Re: please enter privacy protection password to unlock

This thread may help: http://forums.androidcentral.com/ge...enter-privacy-protection-password-unlock.html