Settings
NFC and payment
Near Field Communication (NFC) allows you to communicate with another device without connecting to a network. This technology is used by Android Beam and certain payment apps. The device that you are transferring to needs to support NFC, and it needs to be within four centimeters of your device.
◌From Settings, tap 
Connections > NFC and contactless payments, and then
tap 
to turn on this feature.
Tap and pay
Use an NFC payment app to make payments by touching your device to a compatible credit card reader.
1.From Settings, tap 
Connections > NFC and contactless payments, and then
tap 
to turn on NFC.
2.Tap Contactless payments to see the default payment app.
•To use another payment app, tap an available app to choose it.
•To use a payment app that is open, tap Pay with currently open app.
•To set another payment service as the default, tap Others, and then tap the service you prefer.
TIP NFC technology is used with 
Samsung Pay. Turn on this feature to see how easy and secure it is to use your device to make payments.
Airplane mode
Airplane mode turns off all network connections including calling, texting, mobile data,
◌From Settings, tap 
Connections > Airplane mode, and then tap 
to enable this feature.
NOTE The use of mobile devices on an aircraft or a ship may be subject to federal and local guidelines and restrictions. Airplane mode will disable all network connectivity. Check with appropriate authorities and always follow crew instructions regarding when and how you may use your device.
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