You can download the update via Firmware Over the Air (FOTA).
You must connect your device to Wi-Fi to download the update.
There should be no impacts to settings or data but we recommend that you back up your media files to a PC, or using a favorite application (from the Play Store), prior to upgrading the software.
Update & verify software
To update the software
Make sure your device is sufficiently charged and connected to Wi-Fi.
From the device home screen, pull down the notification bar with two fingers and tap Settings > System > About device > Software update > Check for updates.
Follow the on-screen prompts to download and install the update.
The device automatically restarts once the new software successfully installs.
To verify the update
From the device home screen, pull down the notification bar with two fingers and tap Settings > System > About device > Software information.
The device has the latest software if the Android and Software versions match the current update details.