How does steam bind mobile phone tokens?

Steam's mobile phone order binding steps are as follows:

Tools/raw materials

Mobile phone: Meizu Pro 7；; Flyme version number: 7.3.0, steam, version 2.0 1.

1. Open the steam token in the mobile phone first, and then add the authenticator.

2. Next, enter the mobile phone number, and then click the "Add Mobile Phone" button.

3. Next, enter the SMS code sent by steam to the mobile phone.

4. After that, a "rescue code" will be displayed. Remember the "rescue code" and click Finish to bind successfully.

5. Then open the steam client, and the page will automatically jump to pop up the steam mobile phone tokencode. This tokencode is a verification code used to verify login.