Secure the apps you wish to protect to ensure privacy.
Locking apps on Vivo Y53 is as follows:
Step 1: Go to 'Settings' and choose 'Security'.

Select 'Security'.
Step 2: Choose 'Security and Encryption.'

Select 'Security and Encryption.'
Step 3: Set the lock password.

Set the lock password.
Step 4: Security question.

Security question.
Step 5: Choose the app you want to lock.

Choose the app you want to lock.
That completes your setup process. Wishing you all success.
