Steam token has been changed to a mobile phone. How to change it?

1. On the steam page, click the help option at the top left, and then select steam customer service in the help option;

2. Drop down the steam customer service option and select my account at the bottom;

3. In my account, click the steam token option;

4. Select the steam token settings, and then delete the steam token from the steam account.

5. Select the recovery code that I can't access, and complete the verification with the mobile phone of the account, so that the steam token can be changed to another mobile phone.