LG G5310 Guide De L'utilisateur page 161

Settings [Menu 4]
Phone lock
You can use security code to avoid unauthorized use of your phone.
When you switch on your phone, your phone will request security
code always if you set phone lock to "On". If you set phone lock to
"Automatic", your phone will request security code only when you
change your SIM card.
• On
• Off
• Automatic
Automatic key lock
When you enable Automatic key lock, keypad will be lock
automatically on an idle screen after 25 seconds without any key
requesting.
• On
• Off
Note
• If you want to lock your phone keypad manually, enter Top
menu and press * key.
• If you want to unlock your phone keypad, press < [unlock]
key and then press * key. But if you enabled Automatic key
lock before, your phone keypad will be unlock and then after
25 seconds the keypad will be lock up again automatically.
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Accessing the Menu