Updating your device using a computer
Connect your device to the computer using a USB cable.
Drag down the status bar, and then tap the USB connection setting notification.
Tap [Tap for more options], and then tap [File Transfer].
Computer: Open Xperia Companion, if it is not automatically launched.Make sure that the computer can access the internet.
If a new software update is detected, a pop-up window appears.
Follow the on-screen instructions to run the relevant software updates.
- If you do not have the Xperia Companion software installed on the relevant computer, search for Xperia Companion on the Sony customer support website and download it.