Go to Settings , then do one of the following: On an iPhone with Face ID: Tap Face ID & Passcode. On an iPhone with a Home button: Tap Touch ID & Passcode.
Tap Turn Passcode On or Change Passcode. To view options for creating a password, tap Passcode Options.
Go to Settings , then do one of the following: On an iPhone with Face ID: Tap Face ID & Passcode. On an iPhone with a Home button: Tap Touch ID & Passcode.
Tap Turn Passcode On or Change Passcode. To view options for creating a password, tap Passcode Options.