Open the Phone app
Tap the menu icon or More option
Go to Settings
Tap Blocked numbers or Block list
Find the number you want to unblock
Tap Remove,...
Open Settings
Tap Security or Privacy
Select App Lock
Set a password, PIN, or pattern if prompted
Choose the apps you want to lock
Turn on the lock for...
Use the Quick Settings menu and tap Restart if available
Enable Accessibility Menu, then use it to restart the phone
Schedule an automatic power on/off and...
Press and hold the Power button
Tap Restart if it appears
If Restart is not shown, tap Power off
Wait until the phone turns off completely
Press and...
Open Settings
Tap System management or Additional settings
Tap Backup & reset or Reset options
Tap Erase all data or Factory data reset
Enter your lock screen PIN,...
Open the Settings app
Tap Sound and vibration
Tap Phone ringtone
Select a ringtone from the list
Tap Apply or OK
To use a custom ringtone, tap Local ringtone...
Use the correct screen lock PIN, password, or pattern
Use fingerprint or face unlock if previously set up
Use Vivo account recovery if available
Use Google Find...
Back up your data
Open Settings
Tap System management
Tap Backup and reset
Tap Erase all data
Tap Reset phone
Enter your lock screen password or PIN if prompted
Tap Confirm
Wait...
Open the Settings app
Tap Sound and vibration
Tap Phone ringtone
Select a ringtone from the list
Tap OK or Save
To use a custom ringtone, tap Add ringtone...
Open Settings
Tap Security or Privacy
Look for App Hide or Hide Apps
Set a privacy password if prompted
Select the apps you want to hide
Confirm and save
Use...
Open Settings
Tap Privacy
Tap Hide apps
Turn on the apps you want to hide
Set a privacy password if prompted
Use the hide apps feature from the home...
Open Settings
Tap Security or Privacy
Look for App Hide, Hide Apps, or App Lock
Set a privacy password if prompted
Select the apps you want to hide
Confirm...
Open Settings
Tap System management or Additional settings
Tap Language & input
Tap Languages
Tap Add a language if needed
Select your preferred language
Drag the language to the top...
Open Settings
Tap Security or Privacy
Look for App Encryption, Hide Apps, or App Lock
Set a privacy password if prompted
Select the apps you want to hide
Enable...
Back up your important data
Charge your phone to at least 50%
Open Settings
Tap System management or Additional settings
Tap Backup and reset
Tap Erase all data or...
Open the Settings app
Tap Sound and vibration
Tap Phone ringtone
Select a ringtone
Tap OK or Save
To use a custom ringtone, tap Add ringtone or Choose from...
Open Settings
Tap Security & privacy
Tap Privacy
Tap Hide apps
Set a privacy password if prompted
Select the app you want to hide
Confirm to hide the app
Open the...
Open the Phone app
Dial `*#06#` to check the IMEI number
Dial `*#*#4636#*#*` to open testing information on some Vivo phones
Dial `*#0000#` to view device model...
Back up your data
Open Settings
Tap System management
Tap Backup & reset
Tap Erase all data
Tap Reset phone
Enter your PIN, password, or pattern if prompted
Tap Confirm
Wait for...
Open Settings
Tap Security or Privacy
Tap App Lock
Set a password, PIN, or fingerprint if prompted
Select the apps you want to lock
Turn on the lock toggle...
Open Settings
Tap Accessibility
Tap TalkBack
Turn off TalkBack
Confirm if prompted
If touch is difficult, press and hold both volume keys for 3 seconds to toggle TalkBack off
If...
Open the Vivo phone Settings
Tap Security or Passwords and security
Enter your current screen lock or account password if prompted
Look for Security question, Password recovery,...
Open the Phone app
Go to Recent calls or Contacts
Tap the number you want to block
Tap More or the three-dot menu
Select Block number
Confirm by tapping...
