User Manual
Table Of Contents
- Samsung Galaxy S20 5G|S20 5G UW|S20+ 5G|S20 Ultra 5G User manual
- Contents
- Getting started
- Galaxy S20 5G
- Galaxy S20 5G UW
- Galaxy S20+ 5G
- Galaxy S20 Ultra 5G
- Set up your device
- Start using your device
- Turn on your device
- Use the Setup Wizard
- Transfer data from an old device
- Lock or unlock your device
- Side key settings
- Accounts
- Set up voicemail
- Navigation
- Navigation bar
- Customize your home screen
- Samsung Daily
- Bixby
- Digital wellbeing and parental controls
- Always On Display
- Biometric security
- Mobile continuity
- Multi window
- Edge screen
- Enter text
- Emergency mode
- Camera and Gallery
- Apps
- Settings
- Access Settings
- Connections
- Sounds and vibration
- Notifications
- Display
- Screen brightness
- Motion smoothness
- Blue light filter
- Dark mode
- 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
- Reduce animations
- Lift to wake
- Double tap to wake
- Smart stay
- One-handed mode
- Device maintenance
- Lock screen and security
- Accounts
- Accessibility
- Other settings
- Learn more
- Legal information

Device maintenance
View the status of your device’s battery, storage, and memory. You can also
automatically optimize your device’s system resources.
Quick optimization | Battery| Storage| Memory| Advanced options| Language and input|
Date and time| Troubleshooting
Quick optimization
The quick optimization feature improves device performance through the following
actions:
•
Identifying apps that use excessive battery power and clearing unneeded items
from memory.
•
Deleting unnecessary files and closing apps running in the background.
•
Scanning for malware.
To use the quick optimization feature:
◌
From Settings, tap Device care > Optimize now.
Battery
View how battery power is used for your various device activities.
◌
From Settings, tap Device care > Battery for options:
•
Battery usage: View power usage by app and service.
•
Power mode: Select a power mode to extend battery life.
•
App power management: Configure battery usage for apps that are used
infrequently.
•
Wireless PowerShare: Enable wireless charging of supported devices with
your device’s battery.
•
Charging: Enable the following options to support fast charging capabilities:
– Fast charging
– Super fast charging
– Fast wireless charging
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Settings