User's Guide

APPLE CONFIDENTIAL — First Draft (1.10.11)
Status icon What it means
Cell signal* Shows whether you’re in range of the
cellular network and can make and receive
calls. The more bars, the stronger the
signal. If there’s no signal, the bars are
replaced with “No service.”
Airplane mode Shows that airplane mode is on—you
cannot use the phone, access the Internet,
or use Bluetooth® devices. Non-wireless
features are available. See “Airplane
Mode” on page 193.
3G Shows that your carrier’s 3G (GSM models)
or EV-DO (CDMA model) network is
available, and iPhone can connect to the
Internet over that network. See “How
iPhone Connects to the Internet” on
page 22.
EDGE Shows that your carrier’s EDGE network is
available, and iPhone can connect to the
Internet over that network. (GSM models
only.) See “How iPhone Connects to the
Internet” on page 22.
GPRS Shows that your carrier’s GPRS (GSM
models) or 1xRTT (CDMA model) network
is available, and iPhone can connect to
the Internet over that network. See “How
iPhone Connects to the Internet” on
page 22.
Wi-Fi* Shows that iPhone is connected to the
Internet over a Wi-Fi network. The more
bars, the stronger the connection. See
“Joining a Wi-Fi Network” on page 22.
Network activity Shows over-the-air syncing or other
network activity. Some third-party apps
may also use the icon to show an active
process.
Call Forwarding Shows that Call Forwarding is set up
on iPhone (GSM models only). See “Call
Forwarding” on page 212.
VPN Shows that you’re connected to a network
using VPN. See “Network” on page 198.
Lock Shows that iPhone is locked. See “1P1Ò
Sleep/Wake Button” on page 11 .
TTY Shows that iPhone is set to work with a
TTY machine. See “Using iPhone with a
Teletype (TTY) Machine” on page 213.
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Chapter 1 iPhone at a Glance