Xperia™ Companion is a computer tool for easy and safe software updates of your Xperia™ device. Use it to update to the latest software version, back up and restore your device or to reset your device by clearing the content. You can also browse, sync, transfer and organise your content such as multimedia files.
Download the installation package to a temporary folder on your PC.
Run the downloaded file, and follow the on-screen instructions.