LG F2400 Guide De L'utilisateur page 286

Preferred
You can set a list of preferred networks and the phone
attempts to register with first, before attempting to
register to any other networks. This list is set from the
phone's predefined list of known networks.
Reset settings
You can initialize all factory defaults. You need
Security code to activate this function.
GPRS settings
You can set GPRS service depending on various
situations.
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Menu 7-6-3
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Menu 7-8
Settings
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