1. From the Home screen, press the Menu key.
    device 2660/1294326.jpg
  2. Tap Settings.
    device 2660/1294327.jpg
  3. Scroll to, then tap Battery manager.
    device 2660/1294328.jpg
  4. Tap the Power saving switch to toggle on/off.
    device 2660/1294329.jpg
  5. Tap Power saving.
    device 2660/1294330.jpg
  6. Tap Brightness.
    device 2660/1294331.jpg
  7. Use the Brightness slider to reduce brightness, then tap OK.
    device 2660/1294332.jpg
  8. Disable Wi-Fi, Bluetooth, GPS, and/or Auto-sync data to conserve power.
    device 2660/1294333.jpg