How to use Huawei mobile phone to make a phone call with a secondary card

1 card is the primary card by default, and 2 cards are the secondary cards by default. Switching between primary card and secondary card is not supported.

Dual card setting mode: dual card can be enabled/disabled, and the default data and telephone information can be set as card 1 or card 2;

Settings: main menu → Settings → Dual Card Settings → Default Data/Default Phone/Information.

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

1. Some people enter the phone number and press the dial button, and two options will appear on the screen: "Dial with card 1" and "Dial with card 2". Choose which one to use. Many mobile phones can also set "card 1 on", "card 2 on" and "use dual card" in the mode menu.

2. Different mobile phones have different operation methods. Some mobile phones have two buttons, namely "card 1" and "card 2". Enter the phone number, and then press the corresponding button to dial directly. Some mobile phones have set "Card 1 Priority" or "Card 2 Priority" in the "Call Settings".