Why is the number of Huawei SMS Center someone else's?

There is something wrong with the mobile phone. According to the public information on the Internet, it is someone else's to inquire about the number of Huawei SMS Center. Maybe there is something wrong with the mobile phone. To set the SMS center number, you need to click the information function that comes with the mobile phone, guide the button at the lower right of the mobile phone, select the setting option in the information setting menu that pops up, and click Set Center Number to change it to the correct information center number.