What is NFC in phone?

NFC is short for Near Field Communication, it is a contactless technology as both tag and scanner. When it acts as a tag, it allows users to make secure transactions, exchange digital content, and connect electronic devices with a touch. The most common use in your NFC smartphone is making easy payments with Samsung Pay and Apple pay.
When it acts as a scanner, it helps users easily to scan out the information inside an NFC tag or program their data in an NFC tag. The most common use in your NFC smartphone is just to tap the NFC tag and the link will lead you to a website or an app.

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