SD card
Total space – Displays the total amount of space and the remaining
available space in your memory card.
Mount/Unmount SD card – Allows you to mount or unmount your SD
card.
Erase SD card – Allows you to erase all of the data on your SD card.
Battery & power saving
Displays the current battery status including the percentage of remaining
charge and charging state.
On the Settings screen, tap Battery & power saving.
Battery usage – Displays the battery usage level and battery use
details. Tap one of the items to see more detailed information.
Battery percentage on status bar – Checkmark to display the battery
level percentage on the Status Bar next to the Battery icon.
Battery saver – Tap the Battery Saver switch to toggle it on or off.
Sets the battery charge percent level that automatically turns on
Battery Saver.
Help – Displays help information for the Battery saver feature.
Apps
Allows you to view details about the apps installed on your device, manage
their data, and force them to stop.
On the Settings screen, tap Apps.
Settings
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