During air travel and in some medical facilities, you may need to turn Bluetooth off. The option you use to turn Bluetooth off depends on the version of Android on the device.
To turn Bluetooth off:
Option 1: Go to the Android home page and swipe down from the top of the screen. On some devices, you may need to swipe down twice. The Bluetooth icon shows that Bluetooth is turned on 
. Select the icon to turn Bluetooth off 
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Option 2: Open the Android Settings and select Bluetooth in the left pane. The setting in the right pane shows ON. Select the setting to change it to OFF.
Option 3: Press and hold the device’s power button. Select Airplane mode. This puts the device into Airplane Mode and turns Bluetooth off.
To turn Bluetooth on:
Option 1: Go to the Android home page and swipe down from the top of the screen. On some devices, you may need to swipe down twice. The Bluetooth icon shows that Bluetooth is turned off 
. Select the icon to turn Bluetooth on 
.
Option 2: Open the Android Settings and select Bluetooth in the left pane. The setting in the right pane shows OFF. Select the setting to change it to ON.
Option 3: Press and hold the power button and select Airplane mode. This takes the device out of Airplane mode and turns Bluetooth on.