How does iphonexr turn off secondary card traffic?

If we install two phone cards for iPhoneXR, we should pay attention to which card is using traffic, otherwise it will be bad to cause unnecessary traffic deduction. Here, we will teach you how to turn off the mobile cellular data of the secondary card.

How does iPhoneXR turn off the secondary card traffic of 1? Go to the phone desktop and click Settings.

2. After entering the settings page, click to enter the cellular mobile network.

3. Click the auxiliary number under "Cellular Mobile Phone Number" to enter and close it.