User Guide

Chapter 3 Basics 37
Enroll ngerprints and set options for the Touch ID sensor. (iPhone 5s) Go to Settings >
General > Passcode & Fingerprint > Fingerprints. See Touch ID sensor, below.
Allow access to features when iPhone is locked. Go to Settings > General > Passcode &
Fingerprint (iPhone 5s) or Settings > General > Passcode Lock (other models). Optional features
include:
•
Voice Dial
•
Siri (if enabled, see Siri settings on page 42)
•
Passbook (see Chapter 24, Passbook, on page 104)
•
Reply with Message (see When someone calls on page 44)
Allow access to Control Center when iPhone is locked. Go to Settings > Control Center. See
Control Center on page 29.
Erase data after ten failed passcode attempts. Go to Settings > General > Passcode &
Fingerprint (iPhone 5s) or Settings > General > Passcode Lock (other models), then tap Erase
Data. After ten failed passcode attempts, all settings are reset, and all your information and
media are erased by removing the encryption key to the data.
If you forget your passcode, you must restore the iPhone software. See Restore iPhone on
page 149.
Touch ID sensor
On iPhone 5s, you can use a ngerprint instead of your passcode or Apple ID to unlock iPhone or
make purchases on the iTunes Store, App Store, and iBooks Store.
Set up the Touch ID sensor. Go to Settings > General > Passcode & Fingerprint > Fingerprints.
Set whether you want to use a ngerprint to unlock iPhone, and to make iTunes Store, App Store,
or iBooks Store purchases. Tap Add a Fingerprint, and follow the onscreen instructions. You can
add more than one ngerprint (one for your spouse, for example).
Delete a ngerprint. Tap Edit, then tap . If you have more than one ngerprint, touch a nger
to the Home button to nd out which ngerprint it is.
Name a ngerprint. Tap Edit, tap the ngerprint, then enter a name, such as “Right thumb.”
Use the Touch ID sensor to unlock iPhone or make a purchase. Touch the Home button with
a nger you’ve enrolled in Settings. You can unlock iPhone either from the Lock screen or from
the Passcode screen. When purchasing from the iTunes Store, App Store, or iBooks Store, follow
the prompts to enable purchases with your ngerprint. Or go to Settings > General > Passcode &
Fingerprint > Fingerprints > iTunes & App Store.
Note: If you turn iPhone o, you’ll be asked to conrm your passcode when you turn iPhone
back on and unlock it the rst time, and your Apple ID for the rst purchase you make.
Limit Ad Tracking
Restrict or reset Ad Tracking. Go to Settings > General > Privacy > Advertising. Turn on Limit Ad
Tracking to prevent apps from accessing your iPhone advertising identier. For more information,
tap Learn More.