Task Manager; Securing Your Phone - Samsung Galaxy S III mini User Manual

Task Manager

Your phone can run apps simultaneously, with some apps
running in the background. Use Task Manager to see which
apps are running on your phone and to end running apps to
extend battery life. You can also uninstall apps from your
phone and check memory usage.
1. From any unlocked screen, press and hold the
Home key, then touch Task manager.
2. Touch the Active applications tab to view apps
running on your phone. Touch End or End all to close
apps.
3. Touch the Downloaded tab to view information about
apps you have installed on your phone.
Touch Uninstall to remove an app from your phone.
4. Touch the RAM tab to display the amount of RAM
(Random Access Memory) in use.
Touch Clear memory to clear processes to increase
available RAM.
5. Touch the Clear defaults tab to remove any default
app settings that have been set.
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6. Touch the Storage tab for internal system storage and
SD card memory statistics.
Tip: Touch and drag your finger on the tabs to scroll the tabs.

Securing Your Phone

Use your phone's screen lock features to secure your phone.
To set a personal screen lock, use the Lock screen settings.
For more information, see "Lock Screen" on page 165.
For other settings related to securing your phone, see
"Security" on page 168.
Locking the Phone
By default, the phone locks automatically when the
screen times out.
– or –
Press the Power/Lock Key.
Note: Swipe is the default screen locking method. To change
your screen lock, see "Lock Screen" on page 165.