
What Is NFC in Smartphones and How to Set Up Contactless Payments
NFC is the short-range radio link that lets a phone talk to a contactless reader. For payments, though, NFC is only one part of the chain. Tap-to-pay works when the phone supports NFC, NFC is on, the right wallet is set as the default, a supported card is added and verified, the phone passes security checks, and the store terminal and card issuer both accept the transaction. That is the useful way to troubleshoot it. If your phone will not pay, do not start by assuming the NFC chip is broken. Check the wallet, card, bank, phone security state, default payment app, and terminal path separately. ...