One-Handed Mode; Device Maintenance; Quick Optimization - Samsung Galaxy Note 9 User Manual

One-handed mode

Change the screen layout to accommodate operating
your device with one hand.
1. From Settings, tap Advanced features >
One-handed mode.
2. Tap On/Off to enable the following:
• Gesture: Swipe up diagonally from either
bottom corner to reduce the display size.
• Button: three times in quick succession to
reduce the display size.
Settings

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

The quick optimization feature improves device
performance through the following actions:
Identifying apps that use excessive battery power
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and clearing unneeded items from memory.
Deleting unnecessary files and closing apps
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running in the background.
Scanning for malware.
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To use the quick optimization feature:
1. From Settings, tap Device maintenance.
2. Tap Optimize now.
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