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iPhone THE MISSING MANUAL - Cdn.oreilly.com

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house or the office, or to protect your information in case you lose the<br />

<strong>iPhone</strong>.<br />

To set up the password, type a four-digit number on the keypad. You’re<br />

asked to do it again to make sure you didn’t make a typo.<br />

Once you confirm your password choice, you arrive at the Passcode Lock<br />

screen. Here, you can turn off the password requirement, change the<br />

number, and specify how quickly the password is requested before locking<br />

somebody out: immediately after the <strong>iPhone</strong> wakes, or a minute later.<br />

(That option was provided as a convenience to you, so you can quickly<br />

check your calendar or missed messages without having to enter the<br />

passcode—while still protecting your data from evildoers who steal your<br />

<strong>iPhone</strong>.)<br />

Show SMS Preview is one final option here. If it’s on, then you’ll still be able<br />

to read any text messages that <strong>com</strong>e in, even while the phone is protected<br />

by the passcode; they’ll show up on the opening screen.<br />

Settings 251

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