Battery life: LG Optimus L9

Learn how to save battery life on the LG Optimus L9.

 

 

 

 

Battery saving mode

 

To turn on, turn off, or use battery life saving features on the device, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Tap Power saver.
  4. To turn on, tap the Power saver Switch to On.
  5. To turn off, tap the Power saver Switch to Off.

 

 

Battery saving mode settings

 

To change settings for the battery life saving feature, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Tap Power saver.
  4. Tap Turn Power saver on and then tap a percentage of battery power used for when power saving turns on.
  5. Tap to the following power saving settings to select the check box and enable or clear the check box and disable:
    • Auto-sync
    • Wi-Fi
    • Bluetooth
    • Vibrate on touch
    • Brightness
    • Screen timeout
    • Front key light

 

 

Tips to save battery life

 

To save and extend battery life, follow these steps:

 

Lower screen brightness and timeout duration

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Tap Display.
  4. Tap Brightness.
  5. Touch and slide the slider left to the lowest desirable setting.
  6. Tap OK.
  7. Tap Screen timeout.
  8. Tap the lowest desired setting (lowest is 15 seconds) for when the screen will sleep.

 

Turn off Wi-Fi, Bluetooth, GPS, Portable Wi-Fi Hotspot

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Tap More.
  4. Tap USB tethering & Mobile HotSpot.
  5. Tap Mobile HotSpot to clear the Check box.
  6. Touch the Status bar and drag it down.
  7. Tap Wi-Fi to clear the icon of color.
  8. Tap Bluetooth to clear the icon of color.
  9. Tap GPS to clear the icon of color.

 

Change application sync settings

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Tap Accounts & sync.
  4. To turn off all applications from syncing, tap Auto-sync data to clear the Check box.
  5. To adjust sync settings for individual applications, tap the desired application.
  6. Tap to adjust the desired application sync settings.
    Note: For some applications (for example, Google), tap your user name at the top of the screen to adjust more sync settings.

 

Turn off background data

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Tap Mobile data.
  4. Tap the Menu key.
  5. Tap Restrict background data to select the Check box.

 

Minimize use of third party applications

  1. To delete a third party application, from any Home screen, tap the Menu key.
  2. Tap App settings.
  3. Swipe left or right to the Downloaded screen.
  4. Tap the desired application
  5. Tap Uninstall (to delete the program) or Disable (to turn off the program) and then tap OK.

 

Toggle from 4G to 2G

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Tap More.
  4. Tap Mobile networks.
  5. Tap Use only 2G networks to select or clear the Check box and turn on or turn off.

 

Update to the latest software

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Tap About phone.
  4. Tap System updates.
  5. Tap Check now.
  6. Follow any additional prompts.

 

Set device to sleep when unused

Press and then quickly release the Power key to set the screen to sleep mode.