Step 1. Go to settings & Set the password as per your choice
Step 2. You can go for Touch ID and Passcode, or Face ID and Passcode, or Passcode & Click on Turn Passcode On
Step 3. Enter the six figure pass-code that will be needed whenever you’ll unlock the phone. You can also choose other options for lock screen password which is easily useable to you
Step 4. Rewrite the passcode and confirm it on verification step Now It’ll ask you to enter Apple ID password to use your new passcode instead of Apple ID passcode
For Last Step Click Below