User's Manual

Chapter 1 iPhone at a Glance 10
iPhone locks automatically if you don’t touch the screen for a minute or so. To adjust the timing,
go to Settings > General > Auto-Lock.
Turn iPhone on. Press and hold the Sleep/Wake button until the Apple logo appears.
Unlock iPhone. Press either the Sleep/Wake or Home button, then drag the slider.
Turn iPhone o. Press and hold the Sleep/Wake button until the slider appears, then drag the
slider.
For additional security, you can require a passcode to unlock iPhone. Go to Settings > Touch ID
& Passcode (iPhone models with Touch ID) or Settings > Passcode (other models). See Use a
passcode with data protection on page 38.
Home button
The Home button takes you to the Home screen, and provides other convenient shortcuts.
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See apps you’ve opened. Double-click the Home button. See Start at home on page 20.
Use Siri (iPhone 4s or later) or Voice Control. Press and hold the Home button. See Voice
Control on page 28 and Chapter 4, Siri, on page 43.
On iPhone models with Touch ID, you can use the sensor in the Home button to read your
ngerprint, instead of using your passcode or Apple ID password for unlocking iPhone or making
purchasing in iTunes Store or App Store. If you have, you can also use the Touch ID sensor for
contactless card purchases. See Touch ID sensor on page 39 and Stockholm on page 109.
You can also use the Home button to turn accessibility features on or o. See Accessibility
Shortcut on page 141.
Volume controls
When you’re on the phone or listening to songs, movies, or other media, the buttons on the side
of iPhone adjust the audio volume. Otherwise, the buttons control the volume for the ringer,
alerts, and other sound eects.
WARNING: For important information about avoiding hearing loss, see Important safety
information on page 170.
Lock the ringer and alert volumes. Go to Settings > Sounds and turn o “Change with Buttons.”
To limit the volume for music and videos, go to Settings > Music > Volume Limit.
Note: In some European Union (EU) countries, iPhone may warn that you’re setting the volume
above the EU recommended level for hearing safety. To increase the volume beyond this level,
you may need to briey release the volume control. To limit the maximum headset volume
to this level, go to Settings > Music > Volume Limit and turn on EU Volume Limit. To prevent
changes to the volume limit, go to Settings > General > Restrictions.
You can also use either volume button to take a picture or record a video. See Take photos and
videos on page 86.
APPLE CONFIDENTIAL
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