- To turn on the battery saving features of your device, from the home screen, tap the Settings icon.
- Under the General tab, tap Power saving mode.
- You can prolong battery life with modes that save power.  Tap the Power saving mode toggle to turn on Power saving mode.
- Under Battery, you can view which applications are using the most battery power.
- To set the screen timeout to a shorter duration, tap Settings icon > Device > Display > Screen timeout > select desired time.
- To turn Location Services & GPS on or off, swipe down from the top of the screen and tap Location.
- To turn off auto-update apps, tap Play Store > menu icon > Settings > Auto-update apps.
- To turn off auto-sync, swipe down from the top of the screen and tap the Expand icon.
- Then tap Sync.
- If you are traveling and do not have access to mobile or Wi-Fi networks, switch to Airplane mode.
Note: To turn aurplane mode on or off, swipe down from the top of the screen, tap the expand icon, then tap Airplane mode. - If Airplane mode is on, the Airplane mode icon will appear in the notification bar.