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iPhone THE MISSING MANUAL - Cdn.oreilly.com

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speaker, the microphone, and the 30-pin connector that charges and syncs<br />

the <strong>iPhone</strong> with your <strong>com</strong>puter.<br />

There’s only one payoff for knowing what’s down here: The speakerphone isn’t<br />

very loud, because it’s aimed straight out of the <strong>iPhone</strong>’s edge, away from you. if<br />

you cup your hand around the bottom edge, you can redirect the sound toward<br />

your face, for an immediate boost in volume and quality.<br />

On the back of the <strong>iPhone</strong>, the camera lens (page 100) appears in the upperleft<br />

corner. The rest of the back is mostly textured aluminum—all except the<br />

bottom, which is black plastic. That’s where the antenna is. Cellphone signals<br />

have a hard time going through metal, which is why this one piece is made of<br />

plastic. Fortunately for people who fear cellphone radiation, the antenna is as<br />

far from your brain as it can be.<br />

Camera<br />

Not a self-portrait mirror<br />

Speaker<br />

Microphone<br />

The guided Tour 15

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