haier C2001 - Manual (Page 25)

Call
Private
Security
Phone lock
PIN management
Use this menu to block or allow some numbers for incoming calls.
Use this menu to protect your content of message, contacts, and call history for
accessing by other person. To access the menu, you must enter the preset lock
code. By default, the preset lock code is 0000.
To access security for the every time, you must enter the preset lock code. By
default, the preset lock code is 0000. If none of this work, contact your wireless
service provider for help.
The phone lock feature protects your phone from unauthorized outgoing calls or
unauthorized access to information stored in the phone. When phone is locked,
to unlock user must enter the preset security code. When the device is locked,
you can still call the official emergency number programmed into your phone.
In the standby mode, press to access the Main menu >Settings >
Security> PIN management and one of the following menus: Enable PIN,
Disable PIN and Change PIN.
left soft key
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