LG C3300 - Manual (Page 96)

Q
No number is dialled when you recall a contact entry.
A
Check that the numbers have been saved correctly, by using
the Contact Search feature. Resave them, if necessary.
Q
You cannot be contacted.
A
Is your phone switched on ( pressed for more than three
seconds)? Are you accessing the right cellular network?
Have you set an incoming call barring option?
Q
I cannot find the lock, PIN, or PUK code, or password?
A
The default lock code is ‘0000’. If you forget or lose the lock
code, contact your phone dealer. If you forget or lose a PIN or
PUK code, or if you have not received such a code, contact
your network service provider.
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C3300 User Guide
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Q&A