User Guide

Chapter 1 iPhone at a glance 14
Important:Clock alarms, audio apps such as Music, and many games play sounds through the
built-in speaker, even when iPhone is in silent mode. In some areas, the sound eects for Camera
and Voice Memos are played, even if the Ring/Silent switch is set to silent.
For information about changing sound and vibration settings, see Sounds and silence on
page 36.
Use Do Not Disturb. You can also silence calls, alerts, and notications using Do Not Disturb.
Swipe up from the bottom edge of the screen to open Control Center, then tap . See Do Not
Disturb on page 37.
SIM card
If you were given a SIM card to install, install it before setting up iPhone.
Important:A Micro-SIM card (iPhone 4s) or a Nano-SIM card (iPhone 5 or later) is required to
use cellular services when connecting to GSM networks and some CDMA networks. iPhone
that’s been activated on a CDMA wireless network may also use a SIM card for connecting to a
GSM network, primarily for international roaming. Your iPhone is subject to your wireless service
provider’s policies, which may include restrictions on switching service providers and roaming,
even after conclusion of any required minimum service contract. Contact your wireless service
provider for more details. Availability of cellular capabilities depends on the wireless network.
SIM card
SIM card
SIM card
tray
SIM card
tray
Paper clip
or SIM
eject tool
Paper clip
or SIM
eject tool
Status icons
The icons in the status bar at the top of the screen give information about iPhone:
Status icon What it means
Cell signal You’re in range of the cellular network and can make and receive
calls. If there’s no signal, “No service” appears.
Airplane mode Airplane mode is on—you can’t make phone calls, and other
wireless functions may be disabled. See Travel with iPhone
on
page 47.
LTE Your carrier’s LTE network is available, and iPhone can connect to
the Internet over that network. (iPhone 5 or later. Not available in all
areas.) See Cellular settings on page 190.
UMTS Your carrier’s 4G UMTS (GSM) or LTE network (depending on
carrier) is available, and iPhone can connect to the Internet over
that network. (Not available in all areas.) See Cellular settings
on
page 190.
UMTS/EV-DO Your carrier’s 3G UMTS (GSM) or EV-DO (CDMA) network is available,
and iPhone can connect to the Internet over that network. See
Cellular settings
on page 190.