Sharp 770SH Declaration Of Conformity

Troubleshooting 149
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 card or
the SIM 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 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
Contacts List.
• Confirm that the Contacts
Location setting (Handset or
SIM) is correct.
Cannot receive
OBEX data.
• The OBEX data can only be
received in standby.
Problem Solution

Sharp 770SH Specifications

General

Brand	Sharp
Model	770SH
Category	Cell Phone
Language	English