To turn on Airplane mode
1From your Home screen, tap .
2Find and tap Settings > More….
3Mark the Airplane mode checkbox.
You can also press and hold down the power key and then select Airplane mode in the
menu that opens.
Enhancing the sound output
You can enhance the sound output that comes from the speakers in your device
using features such as Clear Phase™ and xLOUD™ technology.

Using Clear Phase™ technology

Use Clear Phase™ technology from Sony to automatically adjust the sound quality
coming from your device's internal speakers and get a cleaner, more natural sound.
To enhance the speaker sound quality using Clear Phase™
1From your Home screen, tap .
2Find and tap Settings > Sound.
3Mark the Clear Phase™ checkbox.
The activation of the Clear Phase™ feature has no effect on voice communication
applications. For example, there is no change in the voice call sound quality.

Using xLOUD™ technology

Use xLOUD™ audio filter technology from Sony to enhance the speaker volume
without sacrificing quality. Get a more dynamic sound as you listen to your favourite
songs.
To enhance the speaker volume using xLOUD™
1From your Home screen, tap .
2Find and tap Settings > Sound.
3Mark the xLOUD™ checkbox.
The activation of the xLOUD™ feature has no effect on voice communication applications. For
example, there is no change in the voice call sound quality.
Memory
You can save content to your device's internal storage.

Formatting the internal storage

You can format your phone's internal storage, for example, to free up memory. By
doing so, you erase all data on the internal storage.
Make sure you make backups of everything that you want to save before formatting
the internal storage. To back up your content, you can copy it to a computer. For
more information, refer to Connecting your device to a computer on page 100
To format the internal storage
1From your Home screen, tap .
2Find and tap Settings > Storage > Clear internal storage.
3Tap Clear internal storage > Erase everything.
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