Apple xr dual card can only use one card to make calls. Is the other card online?

Both dual cards of iphone xr phone can make calls, and both can be set as mobile data cards.

According to Apple official website's description of dual-card dual standby function of iphone xr, we can know that both phone numbers of iphone xr can be used to make and receive voice calls, and can also be used to send and receive short messages and multimedia messages, but only one cellular mobile data network can be used at the same time.

Because this function of iphone xr mobile phone adopts dual-card dual standby single call (DSDS) technology, that is, both SIM cards can make and receive calls. If one of the numbers is on the phone, incoming calls from the other number will go directly to voice mail.

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Other highlights of the iphone xr phone:

1, screen: 6. 1 inch (diagonal) LCD full-screen multi-touch display with IPS technology.

2. Resolution: 1792 x 828 pixel resolution, 326 ppi.

3. Processor: Chip: A 12 bionic.

4. Camera: Front 7 megapixel camera and rear12 megapixel wide-angle camera. /1.8 aperture.

5. Splash-proof, waterproof and dustproof. 3: The effect reaches IP67 grade under IEC 60529 standard (the longest stay time can reach 30 minutes in the deepest water of 1 m).

Apple official website-dual-card function using two nano-SIM cards Apple official website -iphone xr technical specification