Z3 facial locking

[Pillin182]

I can no longer use facial locking z3 update from other friends still retain the facial blocking anyone know if it is normal or is something wrong thanks

[_alexdon_]

Have you seen this?

/t5/Xperia-Z2/Why-do-the-trusted-face-in-smart-lock-not-working-in-lollipop-5/m-p/1020818#M31515