43Advanced settingsPutting your smartphone in Airplane modeYou can enter Airplane mode (also known as flightmode) to turn off telephone and Bluetooth functionsand use your smartphone as a handheld deviceduring a flight. Check with your airline to make surethis is permitted onboard.Switch your smartphone off during takeoff andlanding as it may interfere with aircraft electronicsystems.Turning Airplane mode on or off1. Open the Notification area.2. Tap the Airplane mode button.-OR-1. Press and hold the power button until you get thephone options menu.2. Tap Airplane mode to switch it ON or OFF.Note: When Airplane mode is active, the icon will be displayed in theNotification area.Adjusting settingsThis section will show you how to adjust detailed settings for your phone, data, Wi-Fiand Bluetooth connections.Activating or deactivating connectionsOpen the Application menu and tap Settings to manage your connection settings.Item DescriptionWi-Fi Turn the Wi-Fi function on or off.Bluetooth Turn the Bluetooth function on or off.Data usage View an estimate of the mobile data used on the SIM.Call settings Modify voice, video, internet, and other call settings.