User Manual
Table Of Contents
- Samsung Galaxy S21|S21+|S21 Ultra 5G User Manual
- Contents
- Getting started
- Galaxy S21 5G
- Galaxy S21+ 5G
- Galaxy S21 Ultra 5G
- Set up your device
- Start using your device
- Turn on your device
- Use the Setup Wizard
- Bring data from an old device
- Lock or unlock your device
- Side key settings
- Accounts
- Set up voicemail
- Navigation
- Navigation bar
- Customize your home screen
- S Pen
- Bixby
- Digital wellbeing and parental controls
- Always On Display
- Biometric security
- Mobile continuity
- Multi window
- Edge panels
- Enter text
- Emergency mode
- Camera and Gallery
- Apps
- Settings
- Access Settings
- Connections
- Sounds and vibration
- Notifications
- Display
- Dark mode
- Screen brightness
- Motion smoothness
- Eye comfort shield
- Screen mode
- Font size and style
- Screen zoom
- Screen resolution
- Full screen apps
- Screen timeout
- Accidental touch protection
- Touch sensitivity
- Show charging information
- Screen saver
- Lift to wake
- Double tap to turn on screen
- Double tap to turn off screen
- Keep screen on while viewing
- One‑handed mode
- Lock screen and security
- Screen lock types
- Google Play Protect
- Security update
- Find My Mobile
- Find My Device
- Samsung Pass
- Secure Folder
- Private Share
- Samsung Blockchain Keystore
- Install unknown apps
- Password for factory data reset
- Set up SIM card lock
- View passwords
- Device administration
- Credential storage
- Advanced security settings
- Permission manager
- Controls and alerts
- Samsung Privacy
- Google Privacy
- Location
- Accounts
- Device maintenance
- Accessibility
- Other settings
- Learn more
- Legal information
Reset accessibility settings
You can reset device accessibility settings. Accessibility settings in downloaded apps
and your personal data are not affected.
1.
From Settings, tap General management > Reset > Reset accessibility settings.
2. Tap Reset settings, and confirm when prompted.
Auto restart at set times
Optimize your device by restarting it automatically at set times. Any unsaved data will
be lost when the device restarts.
1.
From Settings, tap General management > Reset > Auto restart at set times.
2.
Tap to activate Auto restart, and then set the following parameters:
•
Days: Select the day of the week to automatically restart your device.
•
Time: Set the time of day to restart your device.
Factory Data Reset
You can reset your device to factory defaults, erasing all data from your device.
This action permanently erases ALL data from the device, including Google or other
account settings, system and application data and settings, downloaded
applications, as well as your music, photos, videos, and other files.
If you sign in to a Google Account on your device and set a Lock screen, Google Device
Protection is automatically enabled.
NOTEIf you reset your Google Account password, it can take 24 hours for the
password reset to sync with all devices registered to the account.
Before resetting your device:
1. Verify that the information you want to keep has transferred to your storage
area.
2. Log in to your Google Account and confirm your user name and password.
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Settings