How to check the extension number of Apple mobile phone?

Apple's mobile phone can see its secondary number as follows:

Equipment: iPhone 12

System: ios 16.2

Software: Settings

Steps:

1, click the phone data.

Click Settings on the phone's desktop, slide down to find cellular data, and then click Enter.

2. Display the primary card and secondary card.

In a cellular network, the numbers of major numbers and minor numbers are displayed.

3. Enable cellular data

Click the secondary symbol to choose whether to enable cellular data for this number.

Step 4 check the number

Click Phone to enter in the setting interface, and you can see the phone number at the top of the phone call interface.

How to set Apple dual card dual standby?

Apple dual card dual standby is more practical for many users. You can choose any number to send information here, and the dual card mode is very easy to use. To set dual card dual standby, Apple needs to plug in the dual card first, and then you can set the dual card to switch traffic, dial and send messages. Turn on your mobile phone, and click the icon behind the phone you want to dial in the recent call to enter the recent call. Click Details, select the primary and secondary cards, and then click Finish to switch between primary and secondary card dialing.

When sending a short message, open the short message editing dialog box, click the sender number at the top, and click the caller 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.