Set up the Touch ID sensor. Go to Settings > Touch ID & Passcode. Set whether you
want to use a fingerprint to unlock iPhone, and to make purchases. Tap Add a Fingerprint,
then follow the onscreen instructions. You can add more than one fingerprint (your thumb
and forefinger, for example, or one for your spouse).
Note: If you turn iPhone off after setting up the Touch ID sensor, you’ll be asked to confirm
your passcode when you turn iPhone back on and unlock it the first time. You’ll also be
asked for your Apple ID password for the first purchase you make in the iTunes Store, App
Store, or iBooks Store.
Delete a fingerprint. Tap the fingerprint, then tap Delete Fingerprint. If you have more than
one fingerprint, place a finger on the Home button to find out which fingerprint it is.
Name a fingerprint. Tap the fingerprint, then enter a name, such as “Thumb.”
Use the Touch ID sensor to make a payment in the iTunes Store, App Store, or iBooks
Store. When purchasing from the iTunes Store, App Store, or iBooks Store, follow the
instructions to enable purchases with your fingerprint. Or go to Settings > Touch ID &
Passcode, then turn on iTunes & App Store.
Use Touch ID for Apple Pay. (iPhone SE, iPhone 6, iPhone 6 Plus, and later) Go to
Settings > Touch ID & Passcode to ensure that Apple Pay is enabled with your Touch ID.
For more information, see .
iCloud Keychain
iCloud Keychain keeps your Safari website user names and passwords, credit card
information, and Wi-Fi network information up to date. iCloud Keychain works on all your
approved devices (iOS 7 or later) and Mac computers (OS X Mavericks or later).
iCloud Keychain works with Safari Password Generator and AutoFill. When you’re setting up
a new account, Safari Password Generator suggests unique, hard-to-guess passwords. You
can use AutoFill to have iPhone enter your user name and password info, making login
easy. See .
Note: Some websites do not support AutoFill.
iCloud Keychain is secured with 256-bit AES encryption during storage and transmission,
and cannot be read by Apple.
Set up iCloud Keychain. Go to Settings > iCloud > Keychain. Turn on iCloud Keychain,
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