Ensure that Auto-brightness is toggled on to prolong battery life. Note: From the home screen, press the Menu key > tap 'All settings' > Under the 'Display' tab, tap the Auto-brightness checkbox
Set the Screen timeout to low. Note: From the home screen, press the Menu key > tap 'All settings' > tap the 'Display' tab > tap 'Screen timeout'
Toggle Bluetooth, Wi-Fi, Location, and NFC services off while not in use. Note: Drag down from the notifications bar > tap the appropriate icons.
Avoid using Live wallpapers as they consume additional battery life. Note: Touch and hold an empty area of the home screen > tap 'Wallpapers' > tap another option.
Toggle off the Auto-update apps feature in the device's app store, as downloads will consume additional battery life. Note: From the home screen, tap 'Play Store' > tap the Play Store tab > tap 'SETTINGS' > tap 'Auto-update apps'
Toggle Auto-sync features off to prevent applications from downloading content. Note: From the home screen, press the Menu key > tap 'All settings' > tap the 'General' tab > tap 'Accounts & sync' > tap 'Auto-sync data'
Toggle Airplane mode on to significantly increase the life of the battery. Note: Press and hold the Power/Lock key > tap 'Turn on Airplane mode'
Turn on Battery saver. Note: From the home screen, press the Menu key > tap 'All settings' > tap the 'General' tab > tap 'Battery' > tap the 'Battery saver' switch