To update the software
  1. Make sure your device is fully charged and connected to Wi-Fi.
  2. From the device home screen, swipe down from the Notification bar and tap the Settings icon.
  3. Scroll to and tap Software update > Check for updates.
  4. Follow the on-screen prompts to download and install the update.
  5. The device automatically restarts once the new software successfully installs.

To verify the software update
  1. From the device home screen, swipe down from the Notification bar and tap the Settings icon.
  2. Scroll to and tap About device.
  3. The device has the latest software if the Android version, Baseband version and Build number match the current update details.

To troubleshoot the software update