If you are using an iPhone, iPhone 7 and above have built-in NFC chip. Hence, all the iPhones released in recent years have NFC capability. NFC is automatically enabled on iPhones.
If you are an Android user, majority of new Android devices have an NFC chip in the phone. Your phone’s NFC chip needs to be activated before using the NFC. Go to settings and in the “search settings” bar, type “NFC”. Tap on the NFC toggle to activate it and follow the steps outlined in your mobile device.
If you need further assistance, please call your mobile device manufacturer’s careline or refer to their FAQ online.