last four numbers of your cell
last four digits of your phone number
Think it is the last four digits of your mobile number.
Hold the home button or the camara button down then push power and start phone in restore mode
MENU > SETTINGS AND TOOLS > PHONE SETTINGS > SECURITY > (Enter Your Password) (Default password is the last 4 digits of your phone number) > RESTORE DEFAULTS
WARNING: This will completely restore your phone back to factory defaults, if you intend to continue using your phone on your service, you will have to reactivate the phone using the *228 method. I do not know if this will incur charges or require any assitance from Verizon.
try this code removing your sim card . *2767*2878# . i dont know if it will work on the new models , but there is no harm in trying.