Vodafone 455

Find "Phone code"

Press the Menu key.

Find "Phone code"

Press Settings.

Find "Phone code"

Press Security.

Find "Phone code"

Press Change phone code.

Find "Phone code"

Press Phone code.

Change phone lock code

Key in the current phone lock code (default is 1234) and press OK.

Change phone lock code

Key in a new phone lock code and press OK.

Change phone lock code

Key in the new phone lock code again and press OK.

Exit

Press Disconnect to return to standby mode.