Possible cause: The battery is worn out and needs to be replaced.
Solution: Try another battery and charger for the same cell phone model, or visit your retailer and ask them to verify if the battery and charger are working properly.
The cell phone turns itself off
Possible cause: The 
button has been pushed unintentionally.
Solution: Turn on the automatic key lock, or lock the keypad manually
Possible cause: The battery connection is poor.
Solution: Make sure the battery is inserted correctly % 5 To insert SIM card and battery.
I cannot use SMS/text messages on my cell phone
Possible cause: Settings are missing or incorrect.
Solution: Contact your network operator to find out the correct SMS service center setting
I cannot use MMS/picture messages on my cell phone
Possible cause: Your subscription does not include data capability.
Solution: Please contact your network operator.
Possible cause: Settings are missing or incorrect.
Solution:
%6 Help in Your Cell Phone or go to www.sonyericsson.com/support, select your region and country, and choose Phone setup. Then choose your cell phone model, click Read more under Picture messaging (MMS) and follow the instructions
I cannot use the Internet Possible cause: Your subscription does not include data capability.
Solution: Please contact your network operator.
Possible cause: Internet settings are missing or incorrect.
84Troubleshooting
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