Haier C2001 Visafone User Manual page 26

Change security code
By default, the preset lock code is 0000.
Call restriction
This network service allows you restrict your calls.
Factory reset
Use this menu to reset the phone's settings you have changed.
Clear memory
Use this menu to clear all data (include Call history, Contacts (Phone), Contacts
(RUIM) or Clear all) that you have stored.
Phone info
You can get S/W version, H/W version, and PRL version.
22