Why is my mobile Android 4.4.2 locked with a privacy protection password?

[AC Question]

my mobile android 4.4.2 is locked with privacy protection password ?

how should i unlock privacy protection password and i have tried recovery option but it does not work

 

[Kelly Kearns]

Re: my mobile android 4.4.2 is locked with privacy protection password ?

how should i unlock privacy protection password and i have tried recovery option but it does not work

Have you changed your SIM card?