Troubleshooting
122
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 42)
Cannot send or
receive text
messages
Your service provider is not
enabling this service
Contact your service provider to check your
subscription status
Service centre number is not
correct
Ensure that the service centre number is
correct (see page 103). To obtain the
number, contact your service provider
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 53). To obtain the settings,
contact your service provider.
Problem
Possible cause
Possible solution