Sharp HRO00084 User Manual page 166

Problem
• If the message "Insert SIM
Card" is displayed when the
phone is switched on, you
cannot use your SIM/USIM
card or the SIM/USIM card is
damaged. Contact your
dealer or network service
provider.
• Check your call barring, fixed
dialling setting, remaining
Calls cannot be
battery and call forwarding
made or received.
settings.
• Check if your phone is
currently performing data
communication using Infrared
(IrDA), Bluetooth wireless
technology interface or a USB
data cable.
• Check the remaining balance
if you are using a pre-paid
SIM/USIM card.
• Check where your account
has been registered and
Cannot access
network service. where the service is
available.
Limited memory • Delete any unnecessary data.
available.
Solution Problem
• MMS settings and
configuration may be missing
or incorrect or the network
Cannot connect to
does not support it. Check
Multimedia
your service provider's
Messaging Service
access point number.
provider.
Contact your service provider
to confirm the correct
settings.
• Magnetised objects such as
health necklaces placed near
Call is terminated
the phone may terminate the
unexpectedly.
call. Keep your phone away
from such objects.
• Confirm that the Source
No entries are
setting (Handset or SIM/
displayed in the
Phonebook.
USIM) is correct.
• The OBEX data can only be
Cannot receive
OBEX data. received in stand-by.
Solution
Troubleshooting 165