The chip for recognizing NFC is usually located somewhere on the back of your smartphone.
The chip for recognizing near-field communication (NFC), which is a short-range wireless connectivity technology that lets NFC-enabled devices communicate with each other, is located somewhere on the back of your smartphone. Please refer to this article to see the NFC chip placement on your specific device: https://www.surfpayapp.com/nfc-location.
We then recommend that you put a sticker at the spot of the chip, so that it is extra clear to your customer where it is placed. If your device is not included in the list, please contact support for assistance.