Change Access Codes (Menu 4-5-6); Restore Factory Settings (Menu 4-6) - Nokia 8810 User Manual

Change Access Codes (Menu 4-5-6)

With this menu you can change the access codes: security code, PIN
code, PIN2 code and barring password. These codes can only include
the characters 0 to 9. The phone prompts you to enter the current
code and the new code. It also prompts you to verify the new code
by entering it again.
Restore Factory Settings
(Menu 4-6)
You can reset some of the menu settings to their original values. The
security code is needed for this function.
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NOTE: Avoid using access codes similar to the
emergency numbers, such as 112, to prevent
accidental dialling of the emergency number.
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