Iphone secondary card can't send messages.

after the dual card is set, by default, the main number is usually used to send short messages. If you want to send short messages with the secondary card, you need to manually switch between the main card and the secondary card. Here's how to use the secondary card to send messages.

how does apple xsmax send short messages with the secondary card

1. after returning to the desktop of the mobile phone, find and click the dial icon.

2. click the address book in the menu bar at the bottom.

3. then find the contact you want to call, such as "ba", and click on the contact.

4. after entering the contact details page, click the main number under the contact name, as shown in the figure.

5. Then we can see the major number and minor number options in the mobile phone, click the minor number and then select Done, and then select a short message to send to the contact.

note: the next time you want to send a short message with the main number, you still have to repeat the above steps and set it as the main number to send a short message, which is still troublesome. It is very convenient if you can set the primary card or secondary card for a single contact to send short messages. At present, there is no such function, which is still a pity. 1. Restart the iPhone.

2. Back up the iPhone, and then update the iPhone to the latest system.

3. Check whether there is any operator setting update.

4. Restore all settings: Go to Settings > "General" > Restore, tap Restore All Settings. The device will be restarted and all settings will be removed, but no data and media will be erased.

5. If the above steps are still not improved, it is recommended that you back up the important data in your mobile phone, and then restore the iPhone through iTunes. Take Apple xr as an example, the system version is iOS13.6.1, and the reasons why the iphone secondary card can't receive SMS and the solutions are as follows:

1. There is a problem with the mobile phone, so try restarting the mobile phone.

2. There is a problem with the mobile phone network. Try to restore the mobile phone to the network settings.

3. Contact the operator or Apple for after-sales solution.