Use Touch ID

You can set your phone to use your fingerprint as phone lock code or to authorise iTunes and App Store purchases. To use Touch ID, you need to turn on the phone lock code.

1 of 8 steps Press Settings.
2 of 8 steps Press Touch ID & Passcode.
3 of 8 steps Press Add a Fingerprint... and follow the instructions on the screen to add your fingerprint.
4 of 8 steps Press Continue. If you haven't previously selected a phone lock code, key in a code of your own choice twice.
5 of 8 steps Press the indicator next to "iPhone Unlock" to turn the function on or off.
6 of 8 steps Press the indicator next to "Apple Pay" to turn the function on or off.
7 of 8 steps Press the indicator next to "iTunes & App Store" to turn the function on or off.
8 of 8 steps Press the Home key to return to the home screen.