How does WeChat add foreign mobile phone numbers?

The method of adding foreign mobile phone numbers to WeChat is as follows (Take WeChat 20 19 of Huawei p20pro as an example, you need to add foreign mobile phone numbers to the address book first):

1. Open WeChat, switch to the Contacts tab, and click "+"at the top right.

2. Click "Add Friend" in the pop-up menu.

3. Then select the "Mobile Contacts" button.

4. In the next pop-up interface, select the WeChat name of the foreign mobile phone number that is already in the address book.

5. Finally click "Add to Address Book".