Airplane mode disables the wireless features of iPhone to avoid interfering with aircraft operation and other electrical equipment.
Tap Settings and turn airplane mode on.
When airplane mode is on,
appears in the status bar at the top of the screen. No phone, radio, Wi-Fi, or Bluetooth signals are emitted from iPhone and GPS reception is turned off, disabling many of iPhone’s features. You won’t be able to:
Make or receive phone calls
Get visual voicemail
Send or receive email
Browse the Internet
Sync your contacts, calendars, or bookmarks (MobileMe only) with MobileMe or Microsoft Exchange
Send or receive text messages
Stream YouTube videos
Get stock quotes
Get map locations
Get weather reports
Use the iTunes Store or the App Store
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 previously received
Check your calendar
Take or view pictures
Hear alarms
Use the stopwatch or timer
Use the calculator
Take notes
Record voice memos
Use Compass
Read text messages and email messages stored on iPhone
Where allowed by the aircraft operator and applicable laws and regulations, you can turn Wi-Fi back on, enabling you to:
Send and receive email
Browse the Internet
Sync your contacts, calendars, and bookmarks (MobileMe only) with MobileMe and Microsoft Exchange
Stream YouTube videos
Get stock quotes
Get map locations
Get weather reports
Use the iTunes Store or the App Store