iOS Passcode
Overview
For better security, you can set a passcode that must be entered each time you turn on or wake up your device.
Setting a passcode turns on data protection using 256-bit AES encryption.
Set a passcode
- Go to Settings > Touch ID & Passcode or Settings > Passcode (models without Touch ID.
- Set a 4-digit passcode.
Increase security
- Turn off Simple Passcode and use a longer passcode.
- Enter a passcode that's a combination of numbers and letters. If you prefer to unlock using the numeric keypad, create a passcode using numbers only.