How to bind the mobile phone number to the steam mobile phone token?

The following steps can be referenced for binding the mobile phone steam token:

Tool: Huawei mate 4；; Operating system: EMUI 1.1；; Program: steam app.

1. first, open the steam app and click the steam token.

2. Click Add Verifier.

3. Enter the SMS code received by the mobile phone.

4. Write down the rescue code.

after 5, the binding has been successful.