Sharp SX633 User Manual page 125

Problem
• Your current location may not
Call quality is poor.
• Check where your account has
Cannot access network
service.
• Make sure you are correctly
Cannot send or receive text
message.
• MMS settings and configuration
Cannot connect to
Multimedia Messaging
Service provider.
• Delete any unnecessary data.
Limited memory available.
Solution
provide good call quality (i.e., in a
car or train). Move to a location
where radio signal strength is
stronger.
been registered and where the
service is available.
subscribed for the Short Message
Service, that the network
supports this service, and that
the centre number is set up
correctly. If not, contact your
network service provider.
may be missing or incorrect or
the network does not support it.
Check your service provider's
access point number.
Contact your service provider to
confirm the correct settings.
Problem
• Magnetised objects such as
Call is terminated
unexpectedly.
• Confirm that the Source setting
No entries are displayed in
the Phonebook.
• The OBEX data can only be
Cannot receive OBEX data.
Solution
health necklaces placed near the
phone may terminate the call.
Keep your phone away from such
objects.
(Handset or SIM/USIM) is made
correctly.
received in standby. The
message "Please return to
stand-by." is displayed.
Troubleshooting 125