1. 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
   
2. 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
   
3. 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.
   
4. 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.
   
5. 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.
   
6. Avoid using Live wallpapers.
   Note: From the home screen, press the Menu key > Tap 'Wallpapers' > Swipe to then select a standard wallpaper
   
7. Turn off Location services.
   Note: Swipe down from the Notification bar > tap 'Location' to disable.
   
8. 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'
   
9. Disable automatic Sync.
   Note: Swipe down from the Notification bar with two fingers > Tap 'Sync' to disable.
   
10. 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.
    
11. For information about charging your battery, search tutorials for ‘Charge battery’.