How to use Apple mobile phone 13 dual card?

Apple 13 supports dual card dual standby, but some friends don't know how to use the dual card of Apple mobile phone 13. Get to know it with me ~

How to use Apple mobile phone 13 dual card? Use dual card switching to make a call:

1. Turn on your mobile phone and click the I icon behind the phone you want to call to enter the recent call.

2. Click the arrow behind Always Use, select the primary card and secondary card, and then click Finish to switch dialing between the primary card and secondary card.

Method for switch traffic by using dual card:

1. Click Cellular Network in the phone settings menu.

2. Click the cellular data option.

3. Check the SIM card that needs to use traffic.

Use dual card switching to send SMS:

1. Open the SMS editing dialog box and click the sender number above.

2. Click the calling number to switch the main and secondary cards.

If it is a new message, just enter the recipient information and click the calling card button to switch.

This paper takes Apple 13 as an example and applies it to ios 15 system.