1. First open official website, the online business hall of China Mobile, and then log in to your account.
2. After logging in, move the mouse to the "My Move" option at the top of the page, which will drop down many menus.
3. Click the "Personal Information" button in the drop-down menu to open the dialog box as shown.
4. In the pop-up dialog box, there is also a "Personal Information" option on the left. Click this option at this time and the page will jump to.
5. At this point, after entering the required information (user name, etc.). ) In the input box, click the Save button below.