LG F90 User Manual page 171

Wi-Fi: Checkmark to turn Wi-Fi off when data is not being used while
Battery saver is activated.
Bluetooth: Checkmark to turn Bluetooth off when not connected while
Battery saver is activated.
Vibrate on touch: Checkmark to turn off touch feedback when Battery
saver is activated.
Brightness: Checkmark to set the screen brightness when Battery saver
is activated. Tap the Settings icon
Screen timeout: Checkmark to set the screen timeout when Battery
saver is activated. Tap the Settings icon
Front touch key light: Checkmark to set how long the Front touch key
lights (below the touchscreen) illuminate when Battery saver is
activated. Tap the Settings icon
Home button LED: Checkmark to turn off the Home button LED light for
notifications when Battery saver is activated.
Help: Displays tips for using the Battery saver function.
Apps
Use the App manager menu to view details about the apps installed on your
phone, manage their data, and force them to stop.
Swipe left and right to select one of the tabs across the top of the screen to
view detailed information for downloaded, running, and all apps. Tap an entry
to view more information, tap Stop (or Force stop), then OK to confirm.
Tap the Menu Key
Idle apps, Uninstall apps, Show cached processes, Sort by size, and Sort
by name.
Tap & pay
When NFC is turned on, you can use the Tap & pay feature to pay for items
just by touching your phone to a reader at a register. If your device doesn't
have a default app, you can browse Google Play for other payment apps.
to change the setting.
to access Reset app preferences, Reset default apps,
to change the setting.
to change the setting.
Settings
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