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Turn Simple Passcode on or o: Choose General > Passcode Lock, then turn Simple
Passcode on or o.
A simple passcode is a four-digit number. To increase security, turn o Simple Passcode
and use a longer passcode with a combination of numbers, letters, punctuation, and
special characters.
Turn Voice Dial on or o: Choose General > Passcode Lock, then turn Voice Dial on
or o.
Erase data after ten failed passcode attempts: Choose General > Passcode Lock,
enter your passcode, and tap Erase Data to turn it on.
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 (which is encrypted
using 256-bit AES encryption).
Restrictions
You can set restrictions for the use of some apps and for iPod content on iPhone. For
example, parents can restrict explicit music from being seen on playlists, or turn o
YouTube access entirely.
Turn on restrictions:
1 Choose General > Restrictions, then tap Enable Restrictions.
2 Enter a four-digit passcode.
3 Reenter the passcode.
Turn o restrictions: Choose General > Restrictions, then enter the passcode. Tap
Disable Restrictions, then reenter the passcode.
Important: If you forget your passcode, you must restore the iPhone software from
iTunes. See “Updating and Restoring iPhone Software” on page 256.
Set app restrictions: Set the restrictions you want by tapping individual controls on or
o. By default, all controls are on (not restricted). Tap an item to turn it o and restrict
its use.
Safari
Safari is disabled and its icon is removed from the Home screen. You cannot use
Safari to browse the web or access web clips. Other third-party apps may allow web
browsing even if Safari is disabled.
YouTube
YouTube is disabled and its icon is removed from the Home screen.
Camera
Camera is disabled and its icon is removed from the Home screen. You cannot
take photos.
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Chapter 25 Settings