Samsung SM-F700F/DS User Manual page 169

Settings
2
Place the lower part of your device's back near an NFC tag.
The information from the tag appears.
Ensure that the device's screen is turned on and unlocked. Otherwise, the device will
not read NFC tags or receive data.
Making payments with the NFC feature
Before you can use the NFC feature to make payments, you must register for the mobile
payment service. To register or get more information about the service, contact your service
provider.
1
On the Settings screen, tap Connections and tap the NFC and payment switch to
activate it.
2
Touch the lower part of your device's back to the NFC card reader.
To set the default payment app, open the Settings screen and tap Connections → NFC and
payment → Tap and pay → PAYMENT, and then select an app.
The payment services list may not include all available payment apps.
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