About phone software updates
With phone software updates, you can get new features and enhanced functions for your phone. Updating the software may also improve your phone's performance.
It is recommended that you back up your personal data before updating your phone software.
Using services or downloading content may cause transfer of large amounts of data, which may result in data traffic costs.
Make sure that the device battery has enough power, or connect the charger before starting the update.
After the update, the instructions in the user guide may no longer be up to date.