Reset Device

You should update the software on your device to get the latest functionality,
enhancements and bug fixes in order to ensure optimal performance. When a
software update is available, appears in the status bar. You can also check for new
updates manually.

The easiest way to install a software update is to do it wirelessly from your device.
However, some updates are not available for wireless download. You then need to
use the PC Companion application on a PC or the Sony™ Bridge for Mac application
on an Apple® Mac® computer to update your device.

For more information about software updates, go to www.sonymobile.com/global-en/
software.

1 From your Home screen, tap .
2 Find and tap Update Centre.
3 To check that you have the latest system software installed, tap System. To
check for updates to applications installed on your device, tap Updates.

Use the Update Center application to update your device wirelessly. It handles both
application updates and system updates and can also facilitate the download of new
applications developed for your device. The updates that you can download over a
mobile network depend on your operator. It is recommended to use a Wi-Fi®
network instead of a mobile network to download new software so that you can avoid
data traffic costs.

1 From your Home screen, tap .
2 Find and tap Update Centre > System.
3 Select the desired system update, then tap .
4 When the download is finished, tap and follow the on-screen instructions to
complete the installation.