Taking Apple XR as an example, the method of setting the primary card and the secondary card is as follows:
1, click to enter the settings.
2. Click to enter the cellular mobile network.
3. Click to open the first calling card.
4. Click to enter the mobile phone number label.
5. Click the secondary number.
6. Go back and click on the second calling card.
7. Click the main number.
8. After that, you can see that the settings have been completed in the control center.
IPhone XR is a smartphone device owned by Apple. Its body is equipped with A 12 bionic chip with 7 nm technology, and the original deep camera is used to support the Face ID function. 20 18, 13 In the early morning of September, iPhone XR was officially released at Apple's autumn new product launch conference, starting at $749. Pre-order began on June 9 10, and 10 was officially released on October 26 10. On September 201August 13, the iPhone XR was released at the Apple Autumn New Product Launch Conference on September 20 18, which was regarded as a cheap entry-level model. This model adopts aluminum alloy frame and provides six colors: black, white, gold, yellow, blue and red. The fuselage is made of aviation aluminum, with six colors of white, black, blue, yellow, coral and red, and a metal middle frame, which is somewhat similar to the previous iPhone 5C. Support IP67 waterproof. LCD screen, 6. 1 inch liquid retina, resolution 1792x828 pixels, refresh rate 120Hz, no 3D touch function.