When do you usually send text messages the afternoon before the exam?

The text message of successful driver's license registration is usually sent to students around 2~4 pm the day before the exam.

There may be two reasons why you only receive the SMS with verification code when you make an appointment, or you don't receive the SMS after clicking "Make an appointment":

First, when you click "Make an appointment", because the reservation quota is full, the system may not receive the message of successful reservation, which is not regarded as successful reservation;

Second, if there are too many people making appointments at the same time, there may be a delay in sending text messages. At this point, you can enter the "Reservation List" of the system to check whether the reservation has been successful. If there is information in the reservation list, even if the SMS is not received, the reservation is successful.