10086 SMS to check the phone number.

System: iOS 14

Software version: SMS 13.2.3 Graphic steps:

1. Take China Mobile as an example. First, on the mobile phone interface, find and click "Information" to enter the information interface for operation.

2. After entering the information interface, click the "Edit icon" on the upper right of the screen.

3. At the receiving end, enter "10086" on the keyboard.

4. In the sending content, enter the data of "19" and click the send key.

5. After waiting for one minute, the mobile phone will receive the reply message of 10086, so you can know the phone number.