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Troubleshooting
Problem
Network not
displayed.
Cannot make a
call.
Cannot answer a
call.
No ringing for an
incoming call.
108
Possible cause
SIM card not installed
correctly.
Contacts between SIM card
and phone are dirty.
Network signal is weak.
SIM card is damaged.
You are outside of your
network service area.
Phone or SIM card is locked.
Call Barring is active.
Call Forwarding is active.
Call Barring is active.
Phone is set to not ring for
incoming calls.
Possible solution
Ensure that the SIM card is inserted
correctly (see page 28).
Gently clean the contacts of the SIM card
and phone.
Move clear of any obstructions that may
block the signal.
Contact your service provider to obtain a
replacement SIM card.
Connect to a different network if this is
supported by your service provider
(see page 91).
Unlock the phone or SIM card
(see page 83).
Deactivate Call Barring (see page 87).
Deactivate Call Forwarding (see page 88).
Deactivate Call Barring (see page 87).
Edit the ringtone settings (see page 87).
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