What does Airplane mode really do to your phone?

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Airplane mode, aeroplane mode, flight mode, offline mode, or standalone mode is a setting for any smartphone, Laptops, or other devices that whenever activated, disables all radio-emitting signals by the device. This includes Bluetooth, cellular, and Wi-Fi.

How does it affect battery life?

Airplane mode increases battery endurance of your device by shutting down the device’s transmitters and receivers. Therefore, you’ll be able to use your phone much longer. It can also affect in the re-juicing or charging process. Your phone can charge faster in this mode. So if your in a hurry, charge your devices in airplane mode and speed them up!