User guide

Troubleshooting 147
Calls cannot be made or
received.
• 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 battery
and call forwarding settings.
• Check if your phone is currently
performing data communication
using
Bluetooth wireless
technology interface or a USB data
cable.
• Check the remaining balance if you
are using a pre-paid SIM/USIM
card.
Cannot access network
service.
• Check where your account has
been registered and where the
service is available.
Limited memory
available.
• Delete any unnecessary data.
Problem Solution
Cannot connect to
Multimedia Messaging
Service provider.
• MMS settings and configuration
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.
Call is terminated
unexpectedly.
• Magnetised objects such as health
necklaces placed near the phone
may terminate the call. Keep your
phone away from such objects.
No entries are displayed
in the Phonebook.
• Confirm that the Source setting
(Handset or SIM/USIM) is correct.
Cannot receive OBEX
data.
• The OBEX data can only be received
in standby.
Problem Solution