Fangrui Product Details 1. Check Whether The Mobile Phone Has Nfc Function. Usually The Nfc Switch Of The Mobile Phone Is In The System Settings Of The Mobile Phone. If The User Does Not Find Options Such As The Nfc Function Of The Mobile Phone, Please Contact The After-sales Service Of The Mobile Phone Manufacturer Or Search On Baidu To See If The Corresponding Mobile Phone Model Has Nfc Function, And Confirm Mobile Phone Nfc Signal Area. 2. If The Mobile Phone Has Nfc Function, After Turning On The Nfc Switch, Search For Software About Nfc Function In The Application Software Market, Download And Install It, And Follow The Prompts On The Software. 3. Open The Downloaded Nfc Software And Follow The Prompts On The Software. 4. Because Nfc Belongs To Near Field Communication, When Reading Any Task, Please Make Sure That The Ring Chip Is Facing The Eye And Close To The Nfc Signal Area Of The Mobile Phone, Otherwise It May Cause Normal Reading And Writing. Then According To The Mobile App, Function Operation Settings, Matching, An