The iPhone X, a smartphone released by Apple in 2017, has many advanced features, including NFC technology. NFC (Near Field Communication) is a short-range wireless communication technology that can transmit data within a close range. The NFC technology of iPhone X can be used to read NFC tags, scan QR codes, etc.

Using the NFC reader function of the iPhone X is very simple. First, make sure your iPhone X has been updated to the latest operating system version, and the NFC function has been turned on. Then, where you need to read the NFC tag, just put the iPhone X close to the tag, and the system will automatically recognize it and pop up the corresponding information. If you need more detailed information, such as contacts or URLs, you can get them by clicking on the information that pops up.

When using the NFC reader function of iPhone X, you need to pay attention to the following points. First, make sure that the NFC tag you are reading is normal and not damaged or subject to malicious attacks. Second, make sure the distance between your iPhone X and the tag is no more than 4cm, otherwise it may cause reading failure. Finally, be careful not to place NFC tags near metal objects, as metal can interfere with the transmission of the NFC signal.

Overall, the NFC reader function of iPhone X provides users with a convenient and quick way to read NFC tags and scan QR codes. Its use is very simple, just need to bring the iPhone X close to the label. Of course, during use, we also need to pay attention to some matters to ensure the accuracy and safety of reading.