Samsung SM-N950F/DS User Manual page 210

Settings
Reading information from NFC tags
Use the NFC feature to send images or contacts to other devices, and read product
information from NFC tags.
1
On the Settings screen, tap Connections and tap the NFC and payment switch to
activate it.
2
Place the NFC antenna area on the back of your device 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.
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