Samsung SM-G970F User Manual page 190

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Settings
Reading information from NFC tags
Use the NFC feature to 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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