Vodafone 575
Find "Phone and SIM"
Press the Menu key.
Press Settings.
Press Security settings.
Press Phone and SIM.
Turn use of phone lock code on or off
Press the indicator next to "Power-on Lock" to turn the function on or off.
If you turn on the function:
Key in the required phone lock code.
Press the field below "Confirm new password" and key in the phone lock code again.
Key in the required phone lock code.
Press the field below "Confirm new password" and key in the phone lock code again.
If you turn off the function:
Key in the phone lock code and press OK.
Key in the phone lock code and press OK.
Return to the home screen
Press the Home key to return to the home screen.
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