Google Pixel 4
Turning use of phone lock code on or off
The phone lock code prevents others from accessing the contents of your phone (such as pictures and messages). When the phone lock code is turned on, it needs to be used every time you turn on your phone and when it has been in sleep mode.
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Security.
Press Screen lock.
Press Pattern.
Slide your finger across the screen to connect at least four points and press Next.
Repeat the selected phone lock code and press Confirm.
Press Screen lock and key in the current phone lock code.
Press None.
Press Yes, remove.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.