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Chapter
The iPhone 4S at a Glance
Designed with a minimalist aesthetic, the iPhone 4S eschews a button-
heavy design in favor of simple controls and a slim figure. Here’s a quick
rundown of all the features on the device’s exterior.
A) Receiver
When not relying on headphones or the
built-in speaker, this is where you place
your ear to listen to incoming calls.
B) Front-Facing
Camera
This .3-megapixel camera can shoot
video and still images at VGA resolution
(640 by 480 pixels). This camera was
designed primarily for using FaceTime
and snapping quick self-portraits.
C) Touchscreen Display
Like every iPhone model before it, the iPhone 4S has a 3.5-inch touch-
screen display, designed for Multi-Touch input. It shares the iPhone 4’s
960-by-640-pixel Retina display, packing 326 pixels per inch into the
space allotted. The display is made from optical-quality glass, which
makes it highly scratch-resistant. It also has an oleophobic (oil-resistant)
coating that makes it easy to wipe off smudges.
D) Home Button
The only physical button on the face of the iPhone 4S, the Home button
provides a variety of shortcuts for accessing apps and iOS features.
Single Press A single press of the Home button can have several
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