Activating Smart Screen allows you to turn on the screen using the front camera before detecting your face.
Activating Smart Screen on Vivo V7+ is as follows:
Step 1: Go to 'Settings' and select 'Smart Screen Control'.

Select 'Smart Screen Control'.
Step 2: Select 'Enable/disable Smart Screen'.

Select 'Enable/disable Smart Screen'.
Step 3: Turn on 'Activate Smart Screen Wake-up'.

Turn on 'Activate Smart Screen Wake-up'.
Congratulations on completing your setup process. Wishing you success.
