User's Manual

85
Troubleshooting
them to verify if the battery and charger are
working properly.
The phone turns itself off
Possible cause: The button has been pushed
unintentionally.
Solution: Turn on the automatic key lock, or lock
the keypad manually,
% 81 Keypad lock.
Possible cause: The battery connection is bad.
Solution: Make sure the battery is inserted
correctly,
% 6 To insert SIM card and battery.
I cannot use SMS/text messages on
my phone
Possible cause: Settings are missing or incorrect.
Solution: Contact your network operator to find out
the correct SMS service centre setting,
% 39 Text
messaging (SMS).
I cannot use MMS/picture messages
on my phone
Possible cause: Your subscription does not include
data capability.
Solution: Please contact your network operator.
Possible cause: Settings are missing or incorrect.
Solution: Go to www.SonyEricsson.com/support,
choose your phone model, then choose “Phone
setup – MMS” and follow the instructions.
% 64
Settings.
I cannot use the Internet/WAP
Possible cause: Your subscription does not include
data capability.
Solution: Please contact your network operator.
Possible cause: Internet settings are missing or
incorrect.
Solution: Go to www.SonyEricsson.com/support,
choose your phone model, then choose “Phone
setup – WAP” and follow the instructions.
% 64
Settings.
The phone cannot be detected by
other users via Bluetooth
Possible cause: You have not turned Bluetooth on.
Solution: Make sure that Bluetooth is turned on and
that your phone is visible to other users.
% 70 To
hide or show your phone when using Bluetooth.
I have problems synchronizing or
transferring data between my phone
and my computer, when using the
USB cable that came with the phone
Possible cause: The cable has not been properly
detected and installed on your computer.
Yui_UG_R1A.book Page 85 Tuesday, June 14, 2005 11:19 AM