Performance; Additional Care; Apps - Samsung Galaxy S21 Ultra User Manual

Settings

Performance

On the Settings screen, tap Device care.
Performance profile: Change the performance profile in consideration of the
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device's processing speed, battery life, and cooling efficiency.
Processing speed: Change the device's processing speed in consideration of the
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battery life and cooling efficiency.
Enhance processing: Speed up your device's processing speed for all apps except
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games. If you turn on this feature, it will increase battery consumption.
Auto optimisation: Perform auto optimisation by closing background apps or
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cleaning up memory, to keep the device running in its best condition.
Some features may not be available depending on the model.

Additional care

On the Settings screen, tap Device care.
Software update: Update your device's software through the firmware over-the-air
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(FOTA) service. You can also schedule software updates.
Diagnostics: Test your device using Samsung Members.
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Maintenance mode: Turn on maintenance mode to protect your privacy while
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someone else is using your device, such as when you send it for repairs.

Apps

Manage the device's apps and change their settings. You can check the apps' usage
information, change their notification or permission settings, or uninstall or disable
unnecessary apps.
On the Settings screen, tap Apps.
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