About Flight mode
Flight mode is a setting on smartphones and other versatile PCs that, when initiated, suspends radio-frequency signal transmission by the Smartphone, in this manner disabling Bluetooth, calls, and Wi-Fi. GPS could also be affected, in light of the fact that it doesn’t include transmitting radio waves.
This mode is required on the grounds that most airlines prohibit the use of wireless gadgets during flight. A few carriers don’t permit the use of such gadgets even in Airplane mode.
There is an industry standard symbol to imply that airplane mode is on yet not all smartphones use it.