Nokia C21 Plus user guide
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Protect your phone with a screen lock
You can set your phone to require authentication when unlocking the screen.
Set a screen lock
Tap
Settings
>
Security
>
Screen lock
.
Choose the type of lock and follow the instructions on your phone.
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Useful Links
Software Updates
Full Specifications
Environmental Profile
Get started
Keep your phone up to date
Keys and parts
Insert the SIM and memory cards
Charge your phone
Switch on and set up your phone
Use the touch screen
Dual SIM settings
Lock or unlock your phone
Basics
Personalize your phone
Notifications
Control volume
Automatic text correction
Accessibility
Battery life
Connect with your friends and family
Calls
Contacts
Send messages
Mail
Camera
Camera basics
Videos
Your photos and videos
Internet and connections
Activate Wi-Fi
Browse the web
Bluetooth®
VPN
Organize your day
Date and time
Alarm clock
Calendar
Maps
Find places and get directions
Apps, updates, and backups
Get apps from Google Play
Free up space on your phone
Update your phone software
Back up your data
Restore original settings and remove private content from your phone
Protect your phone
Protect your phone with a screen lock
Protect your phone with your fingerprint
Protect your phone with your face
Change your SIM PIN code
Access codes
Product and safety information
For your safety
Network services and costs
Emergency calls
Take care of your device
Recycle
Crossed-out wheelie bin symbol
Battery and charger information
Small children
Medical devices
Implanted medical devices
Hearing
Protect your device from harmful content
Vehicles
Potentially explosive environments
Certification information
About Digital Rights Management
Copyrights and other notices
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