It only takes six steps to check the trajectory of the moving action.

1. After turning on the SMS function, click the phone to send a new SMS.

2. On the edit SMS page, enter "10086" as the recipient.

3. Edit the message as "CXMYD".

4. After editing the message, click Send Mail.

5. According to the prompt in the received SMS, enter the last four digits of the ID card of the inquiry number holder.

6. After entering the last four digits of your ID card, you will receive the number 16-30 days from China Mobile.