1. Open official website, the big data platform of Baotou Education, and log in.
2. Search for "Personal Information" or "Account Settings" and other related options on the page to enter the personal settings page.
3. On the personal settings page, find the option of "binding mobile phone" or "modifying mobile phone" and click Enter.
4. Enter your mobile phone number in the bound mobile phone page that pops up, and verify and confirm according to the prompts.
5. Click "OK" or "Submit" and other related buttons to complete the mobile phone binding operation.