1. First open the settings and click General >; & gt& gt For this machine, check the system version of the current iPhone.
2. If the current system version of iPhone is not above 1 1.3, return to the common interface, then click Software Update and click Install Now to update the current system version of iPhone. After the update, the phone will automatically restart.
3. Then click Settings >>& gt Wallet and Apple Pay>& gt& gt to add a credit card, debit card or transportation card.
4. Then click the Continue button on the newly opened page, and then select the type of transportation card. If it is a Beijing transportation card, choose a Beijing smart card; if it is a Shanghai transportation card, choose a Shanghai smart card.
5. Then pay the refundable service fee 20 yuan or choose to transfer the balance directly from the existing card. Here I choose to deduct the balance from the existing card (so that the existing card can go to the outlet to refund the deposit in Kolor).
6. Then enter the last four digits of the transportation card and click Next. Then click Continue.
7. Finally, stick the card horizontally on the camera on the back of the mobile phone, and then you will be prompted that the card has been added, and then click Next to add the bus card successfully.