Sony ST23a Cell Phone User Manual


 
To format the memory card
1
From your Home screen, tap .
2 Find and tap Settings > Storage > Unmount SD card.
3 After you have unmounted the memory card, tap Erase SD card.
Using a headset with your phone
Use the accessories provided with your phone, or other compatible accessories, for optimal
performance.
To use a headset
1 Connect the headset to your phone.
2 To answer a call, press the call handling key.
3 To end the call, press the call handling key.
If a headset is not included with the phone, you may purchase one separately.
If you are listening to music, the music stops when you answer a call and resumes after you
end the call.
Internet and messaging settings
To send text and multimedia messages or to access the Internet, you must have a 2G or
3G mobile data connection with the correct settings. There are different ways to adjust
these settings:
For most mobile phone networks and operators, Internet and messaging settings come
preinstalled on your phone. You can then start sending messages or using the Internet
right away.
In some cases you will have the option to adjust Internet and messaging settings the first
time you turn on your phone. It is also possible to adjust these settings later from the
Settings menu.
You can manually adjust or change Internet and network settings in your phone at any
time. Contact your network operator for detailed information about Internet and
messaging settings.
To download Internet and messaging settings
1
From your Home screen, tap .
2 Find and tap Settings > Xperia™ > Internet settings.
To reset the default Internet settings
1
From your Home screen, tap
.
2 Tap Settings > More… > Mobile networks.
3
Tap Access Point Names, then press
.
4 Tap Reset to default.
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