LG LG300G - Manual (Page 18)

Access Codes
You can use the access codes described
in this section to avoid unauthorized use
of your phone. The access codes can be
changed by using the Change Codes
feature (Menu 9.5.4).
Security code (4 digits)
The security code protects the
unauthorized use of your phone. The
default security code is set to ‘0000’ and
the security code is required to delete all
phone entries and to activate the Restore
Factory Settings menu. The security code
default setting can be modified from the
Security Settings menu.
Getting Started
18