Vertu Constellation Quest Reference Manual page 142

Troubleshooting
Problem
Poor call quality
Other party in a call cannot hear you
Cannot send or receive text messages
Cannot send or receive MMS messages
Cannot access the Internet
Storage memory is low
Useful Commands
• To locate the IMEI number of your handset, from the home screen enter *#06# and the IMEI number is displayed.
• To find out the version of the software on your phone enter *#0000# and the version details are displayed.
142
Possible cause
Network signal is weak.
Network signal is changing frequently, e.g. when traveling on a
train.
Phone is muted.
Your service provider is not enabling this service.
Service centre number is not correct.
Your service provider is not enabling this service.
MMS settings are missing or incorrect.
Your service provider is not enabling this service.
Network settings are missing or incorrect.
Too many items stored on the phone.
Possible solution
Move clear of any obstructions that may block the signal.
Wait until signal strength is consistently high before making or
answering a call.
Unmute the phone (see page 40).
Contact your service provider to check your subscription
status.
Ensure that the service centre number is correct (see "Vertu
Technical Support" on page 71). To obtain the number, contact
your service provider.
Contact your service provider to check your subscription
status.
Ensure that the MMS settings are correct (see "Multimedia
message settings" on page 62). To obtain the settings, contact
your service provider.
Contact your service provider to check your subscription
status.
Ensure that the network settings are correct. To obtain the
settings, contact your service provider.
Delete any unwanted messages, clear the Internet history, and
delete any unwanted files.