Operation Manual

Troubleshooting
109
Troubleshooting
Poor call quality. Network signal is weak. Move clear of any obstructions that may
block the signal.
Network signal is changing
frequently, e.g. when travelling
on a train.
Wait until signal strength is consistently high
before making or answering a call.
Other party in a
call cannot hear
you.
Phone is muted. Unmute the phone (see page 45).
Cannot send or
receive text
messages.
Your service provider is not
enabling this service.
Contact your service provider to check your
subscription status.
Cannot send or
receive MMS
messages.
Your service provider is not
enabling this service.
Contact your service provider to check your
subscription status.
MMS settings are missing or
incorrect.
Ensure that the MMS settings are correct
(see page 127). To obtain the settings,
contact your service provider.
Cannot access
the Internet.
Your service provider is not
enabling this service.
Contact your service provider to check your
subscription status.
Network settings are missing
or incorrect.
Ensure that the network settings are correct
(see page 79). To obtain the settings,
contact your service provider.
Problem Possible cause Possible solution