Key Features: - Read NFC Tags: Instantly access information stored on NFC tags with a simple tap. - Write Data: Easily create and write custom data to your NFC tags for personalized .iPhone XS and later support background tag reading. To avoid unintentional tag reading, the system reads tags in the background only when the user’s iPhone is in use. . After the device scans an NFC tag while in background tag reading mode, the system inspects the tag’s NDEF .