Close running applications that are consuming significant battery life. Note: To access, press and hold the Menu key > press Options key > select Remove from list.
Set the Brightness to low or automatic. Note: To access, from the home screen, press the Options key > System Settings > Display > Brightness.
Set the Screen timeout to a shorter duration. Note: To access, from the home screen, press the Options key > System Settings > Display > Sleep.
Turn off Bluetooth and Wi-Fi when not in use. Note: To access, from the home screen, press the Options key > System Settings.
Turn off Location services. Note: To access, from the home screen, press the Options key > System Settings > Location.
If you are traveling and do not have access to mobile or Wi-Fi networks, switch to Airplane mode. Note: To access, from the home screen, press the Options key > Quick Settings.