The NFC function of Apple's mobile phone is in wallet and apple pay. The specific setting steps are as follows:

First turn on the phone, find "Settings" on the phone desktop, and click Enter.

Second, after entering the settings, go down to the menu and find the "wallet and Apple Pay" column, and click Enter.

3. After entering the wallet and Apple Pay, click "Add Credit Card, Debit Card or Transportation Card".

Four, after entering the add type, choose "Shanghai traffic card" or "Beijing card".

5. After selecting the card type, select the recharge amount. If the recharge is successful, you can use the NFC function.