1. Ensure that the device is charged completely on its first use to prolong battery life.
   
2. From the home screen, tap the Apps icon.
   
3. Tap Settings.
   
4. Scroll to, then tap Battery Manager.
   
5. Tap Power saver to enable battery life optimization.
   
6. Avoid Live wallpapers to prolong battery life.
   
7. Set screen brightness to low to prolong battery life.
   
8. Turn off Auto-update apps to prolong battery life.
   
9. Turn off Location services to prolong battery life.
   
10. Turn off Auto-sync to prolong battery life.