How to set the card 1 as the default network card for Xiaomi mobile phone?

1. In the main interface of Xiaomi mobile phone, we slide the screen left and right to find the "Settings" icon of Xiaomi mobile phone.

2. On the Xiaomi Settings page that opens, we click the menu item "Dual Card and Mobile Data" above.

3. Next, on the opened dual-card and mobile data page, we click the "Internet" menu item.

4. Next, an Internet Settings menu will pop up. Select the default mobile phone card menu item to be set in the pop-up menu.

5. At this time, the prompt of successful SIM card switching will pop up, and the mobile phone card will be set as the default network card. Complete the renderings.