How does Huawei set the default SMS card?

First of all, the advantages of setting the default dial card.

1. If you have two mobile phone cards installed in your mobile phone, but there is no default dial card, when you make a call, both mobile phone cards will appear at the same time. In this way, because there is one more option, the risk of operational errors is invisibly increased.

2. After setting the default dial card, only one mobile phone card will appear. In this way, when we make a phone call, we can only use the only mobile phone card to make a phone call, and we don't have to worry about pressing the wrong key at all.

Second, the method of setting the default dial card

1. First, pull down from the top of the screen on the mobile phone desktop to bring up the notification bar.

2. Click the Settings icon in the upper right corner of the notification bar.

3. After opening the settings, click to enter "Dual Card Management".

4. Then, click to enter "Default Dialing Card".

5. Finally, choose one of the two installed mobile phone cards as the default dialing card.