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Chapter 3 Basics 42
Turn Location Services on or o. Go to Settings > Privacy > Location Services. You can turn it o
for some or for all apps and services. If you turn o Location Services, you’re prompted to turn it
on again the next time an app or service tries to use it.
Turn Location Services o for system services. Several system services, such as location-based
ads, use Location Services. To see their status, turn them on or o, or show in the status
bar when these services use your location, go to Settings > Privacy > Location Services >
System Services.
Turn o access to private information. Go to Settings > Privacy. You can see which apps and
features have requested and been granted access to the following information:
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Contacts
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Calendar
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Reminders
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Photos
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Bluetooth Sharing
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Microphone
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Camera
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HomeKit
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Motion Activity
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Twitter
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Facebook
You can turn o each app’s access to each category of information. Review the terms and privacy
policy for each third-party app to understand how it uses the data it’s requesting. For more
information, see support.apple.com/kb/HT6338.
Security
Security features help protect the information on your iPad from being accessed by others.
Use a passcode with data protection
For better security, you can set a passcode that must be entered each time you turn on or wake
up iPad.
Set a passcode. Go to Settings > Touch ID & Passcode (iPad models with Touch ID) or Settings >
Passcode (other models), then set a 4-digit passcode.
Setting a passcode turns on data protection, using your passcode as a key to encrypt Mail
messages and attachments stored on iPad, using 256-bit AES encryption. (Other apps may also
use data protection.)
Increase security. Turn o Simple Passcode and use a longer passcode. To enter a passcode that’s
a combination of numbers and letters, you use the keyboard. If you prefer to unlock iPad using
the numeric keypad, set up a longer passcode using numbers only.
Add ngerprints and set options for the TouchID sensor. (iPad models with Touch ID) Go to
Settings > Touch ID & Passcode. See Touch ID, below.
Allow access to features when iPad is locked. Go to Settings > Touch ID & Passcode (iPad
models with Touch ID) or Settings > Passcode (other models). Optional features include:
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Today (see Notication Center on page 34)