Sharp O2 User Manual
Page 115
Troubleshooting
114
Call quality is poor.
• Your current location may not
provide good call quality (i.e.,
in a car or train). Move to a
location where radio signal
strength is greater.
Cannot access net-
work service.
• Check where your account
has been registered and
where the service is
available.
Cannot send or
receive SMS mes-
sages.
• Make sure you are correctly
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.
Cannot connect to
MMS service pro-
vider.
• MMS settings and
configuration may be missing
or incorrect or network does
not support it. Check your
service provider’s access
point number.
Contact your service provider
to confirm the correct
settings.
Problem
Solution
Limited memory
available.
• Delete any unnecessary data.
Problem
Solution