Because when you just bought a new mobile phone card, you can't support the query of travel big data because there is no travel. Travel card takes 14 days. Therefore, the new mobile phone card will not be displayed. You need to wait until 14 days, and you don't need to move around much. Just wait until 14 days.
If you still can't see it, there may be something wrong with the cell phone signal. It is recommended to change the network accessed by the mobile phone and try again.
If you can't find it for a long time, you can call the operator for consultation.