To adjust the idle time before the screen turns off
1From your Home screen, tap 
.
2Find and tap Settings > Display > Sleep.
3Select an option.
To turn off the screen quickly, briefly press the power key 
.
Language settings
You can select a default language for your device and change it again at a later time.
To change the language
1From the Home screen, tap 
.
2Find and tap Settings > Language & input > Language.
3Select an option.
4Tap OK.
If you select the wrong language and cannot read the menu texts, find and tap 
. Then select the text beside 
and select the first entry in the menu that opens. You can then select the language you want.
Airplane mode
In Airplane mode, the network and radio transceivers are turned off to prevent disturbance to sensitive equipment. However, you can still play games, listen to music, watch videos and other content, as long as all this content is saved on your memory card or internal storage. You can also be notified by alarms, if alarms are activated.
Turning on Airplane mode reduces battery consumption.
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 of your device by manually enabling individual sound settings such as Clear Phase™ and xLOUD™, or you can let ClearAudio+ technology adjust the sound automatically. You can also enable the Dynamic normaliser so that differences in volume between different media files are minimised.
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.
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