Access Usage Manager to determine which apps and features are consuming the most battery. Note: Swipe to then tap the AT&T folder > Tap 'Usage Manager' > Tap the 'BATTERY' tab > Scroll down to view battery usage data > Tap the desired app/feature to view details
Enable Power saving mode to prolong battery life. Note: From the home screen, swipe down from the Notification bar > Tap the Settings icon > Under the GENERAL tab, scroll to then tap the 'Power saving mode' switch
Set the Brightness to Auto or Low. Note: From the home screen, swipe down from the Notification bar > Drag the Brightness slider to the desired level, or tap the 'Auto' checkbox.
Set the Screen timeout to a shorter duration. Note: From the home screen, swipe down from the Notification bar > Tap the Settings icon > Under the DEVICE tab, tap 'Display' > Tap 'Screen timeout' > Tap the desired option.
Turn off Bluetooth, Wi-Fi and NFC when not in use. Note: Swipe down from the Notification bar with two fingers > Tap to disable the desired features.
Avoid using Live wallpapers. Note: From the home screen, press the Menu key > Tap 'Wallpapers' > Swipe to then select a standard wallpaper
Turn off Location services. Note: Swipe down from the Notification bar > tap 'Location' to disable.
Turn off the Auto-update apps setting in the Play Store. Note: From the home screen, swipe to then tap 'Play Store' > Tap the Play Store tab > Tap 'Settings' > Tap 'Auto-update apps' > Tap 'Do not auto-update apps'
Disable automatic Sync. Note: Swipe down from the Notification bar with two fingers > Tap 'Sync' to disable.
If you are traveling and do not have access to mobile or Wi-Fi networks, switch to Airplane mode. Note: Swipe down from the Notification bar > Tap 'Airplane mode' to enable.
For information about charging your battery, search tutorials for ‘Charge battery’.