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94 Chapter 8 Settings
Airplane Mode
Airplane mode disables the wireless features of iPhone to avoid interfering with aircraft
operation and other electrical equipment.
Turn on airplane mode
m Tap Settings and turn airplane mode on.
When airplane mode is on, appears in the status bar at the top of the screen, and
no cell phone, radio, Wi-Fi, or Bluetooth signals are emitted from iPhone. You can’t
make calls, send or receive text messages, stream YouTube videos, or get stock quotes,
map locations, or weather reports.
If allowed by the aircraft operator and applicable laws and regulations, you can
continue to use iPhone to:
 Listen to music and watch video
 Listen to visual voicemail
 Check your calendar
 Take or view pictures
 Hear alarms
 Use the stopwatch and timer
 Use the calculator
 Take notes
 Read text messages and email messages stored on iPhone
Wi-Fi
Wi-Fi settings determine when iPhone uses local Wi-Fi networks to connect to the
Internet. If no Wi-Fi networks are available, or you’ve turned Wi-Fi off, then iPhone
connects to the Internet via EDGE.
Turn Wi-Fi on or off
m Choose General > Network and turn Wi-Fi on or off.
Set iPhone to ask if you want to join a new network
When you are trying to access the Internet, by using Safari or Mail for example, and you
are not in range of a Wi-Fi network you have previously used, this option tells iPhone to
look for another network. iPhone displays a list of all available Wi-Fi networks that you
can choose from. (Networks that require a password appear with a lock icon.) If “Ask to
Join New Networks” is turned off, you must manually join a network to connect to the
Internet when neither a previously used network nor EDGE is available.
m Choose Wi-Fi and turn “Ask to Join Networks” on or off. If you turn “Ask to Join
Networks” off, you must join new networks manually.