In flight mode the connection to the network is deactivated, so as not to cause interference with sensitive equipment in e.g. a plane or a hospital.
You can still use the remaining functions when flight mode is activated, but you cannot send messages or make calls.
Follow these instructions to activate or deactivate flight mode on your Apple iPhone 4S.
- Find Settings
- Activate or deactivate
Press the indicator next to Airplane Mode
Depending on the current setting, the function is activated or deactivated
Press the Home key to return to standby mode