Scroll down and tap Security (or Security and privacy depending on your device).
3. Choose Screen Lock Type
Tap Lock screen, then Screen lock.
Confirm your current passcode
You will see several options like Pattern, PIN, or Password.
4. Select a Passcode Type
Choose PIN or Password for a passcode. (You may select the others but depending on the security settings in place from your business, some may be unavailable).
5. Set Your Passcode
Enter the desired PIN (usually 4-6 digits) or Password.
Confirm the passcode by entering it again.
iOS
1. Open Settings
Go to the Settings app on your iPhone or iPad.
2. Navigate to Face ID & Passcode / Touch ID & Passcode
Scroll down and tap Face ID & Passcode (or Touch ID & Passcode on devices with a Home button).
3. Enter Your Current Passcode (if any)
If you’ve already set a passcode, you’ll need to enter it to proceed.
4. Set a New Passcode
Tap Turn Passcode On if you haven’t set one yet, else, tap Change Passcode.
You’ll be prompted to enter in your old passcode.
Enter in your new passcode and tap Next in the top right
Verify your passcode by entering it in a second time then tap Done in the top right.