Go on settings>Info>Scroll down to Personal.
If you mean locked as in the code you can put, then I'm not to sure on how you'd get rid of this, best bet is to email roblox.
"I am no sooner spoken, than broken. What am I?"
now hello its eva and follow me on roblox my user is gorgeouseva10 if you love jeus he is your best friend message me also everyone who sees my forum.thank u and bye
you have to go to settings
then u verfie your email check your email and verfie it on roblox
then u check if you do what u said message me back if more help.