1, such as Alipay or WeChat payment. Then, use the payment software to bind the bank card or credit card in the mobile phone. When you take Chongqing Light Rail, you only need to point the screen of your mobile phone at the gate scanner to complete the payment, and you don't need to buy a physical ticket.

2. When using Chongqing Changtong Card to recharge in Chongqing, you need to bind the mobile phone, then open the wallet that comes with the mobile phone and find the bus option. Here you can see that the NFC function of the mobile phone is turned on to open the bus card. After booting, slide down to find Chongqing Tongtong Card. After finding it, you can click on the recharge card to open it, and it can be used normally after the recharge is completed.

3. Download the official city subway app. After registering the account, bind the card or bank card. Open the app, adjust the page to the payment page, and put the mobile phone at the identification position of the gate. When the page is displayed successfully, the gate will open automatically and you can enter the subway at this time.

4. If you want to bind Chongqing Tong Tong Card to Apple's mobile phone, the specific operation process is as follows: First, you need to open the settings of Apple's mobile phone, and then select the options of wallet and ApplePay. When you enter the page, you can see the words add card. Then you need to choose to add a card.

5. Find the wallet icon on the desktop of the mobile phone system, and click Open to enter the wallet page. Click the+icon in the upper right corner of the wallet page, and then click Add Virtual Card. Then find the Continue button at the bottom of the page and click Enter. Then choose the city bus card to be opened, taking Shanghai bus as an example.