Enabling Power Saving Mode:

  1. From the home screen, tap "Apps"
  2. Access "Settings" and swipe to "System"
  3. Tap "Power saving" > "Power saving mode"
  4. Set the "Power saving mode" switch to "ON"
  5. You can customize how the Power saving mode works by enabling or disabling features like "Restrict performance", "Block background data" etc.

Adjusting the Screen Brightness and Timeout Duration:

  1. From the home screen, tap "Apps"
  2. Go to "Settings"
  3. Tap "Display" under "Quick Settings" and tap "Brightness"
  4. Clear the "Automatic brightness" check box if necessary
  5. Drag the brightness slider to the left to set it at a lower level
  6. Tap "OK" > "Screen timeout"
  7. Select a lower value, like "15 seconds"

Disabling Wi-Fi, Bluetooth, Hotspot and GPS:

NOTE: A smartphone's connectivity options can have a big impact on your phone's battery life, so it's advised to disable these features whenever they are not in use.

  1. Tap "Apps" while viewing the home screen
  2. Access the "Settings" menu
  3. Swipe to "Network Connections" and tap "Tethering & Mobile Hotspot"
  4. Set the feature's switch to "OFF" to disable it
  5. Go back to the home screen and swipe the "Status" bar down
  6. Tap the icons associated with "Wi-Fi", "Location" and "Bluetooth" to disable these features

Changing the Sync Settings of Apps:

NOTE: Syncing less data means more battery life on the long run.

  1. Open the apps drawer and go to "Settings"
  2. Under "User and Backup", tap "Accounts"
  3. Access the "Accounts" tab and select the type of account you wish to change settings on
  4. Tap the available sync settings for the specific account type to minimize sync
  5. For more sync options, tap your "user name" or "email address" at the top of the screen

Disabling Background Data:

  1. While viewing the home screen, tap "Apps" and go to "Settings"
  2. Swipe to "Network Connections" and tap "Data usage"
  3. Press "Menu" and mark the check box associated with "Restrict background data"

Minimizing the Use of Third Party Apps:

NOTE: Certain 3rd party apps on your phone can have an impact on your phone's battery life even though you may not use them (assuming that they run processes and updates in the background). You can improve battery life by disabling or uninstalling unused 3rd party applications. To do so:

  1. Access the phone's "Settings" menu
  2. Swipe to "Applications" and tap "Application manager"
  3. Swipe to the "Downloaded" section and select the desired application
  4. To turn off the app, tap "Disable"
  5. To completely remove the app, tap "Uninstall"

Switching from 4G to 2G Connectivity:

  1. Tap "Apps" from the home screen and go to "Settings"
  2. Scroll to "Network Connections"
  3. Tap "More networks" > "Mobile networks"
  4. Tap "Network mode" and select "GSM only"
  5. To re-enable 4G connectivity, select either "LTE / WCDMA / GSM (Auto connect)" or "WCDMA / GSM (auto connect)"

Keeping Your Smartphone Up To Date:

NOTE: Software updates can sometimes increase your phone's battery performance, so it's recommended that you keep your smartphone up to date. To check for new updates:

  1. Access the phone's "Settings" menu
  2. Swipe to "System" and tap "About device"
  3. Tap "Software update"
  4. If an update is available, follow the on-screen steps to download and apply it

See More: Samsung Galaxy A5: Tips & Tricks to Improve Battery Life