Why is Unicom's feedback so slow?

Usually there will be SMS reminders when the package traffic runs out. The delay does not rule out the continued use of traffic data. At this time, you can't monitor the traffic you use in real time. You need to disconnect the network and send the data back to the system for statistics. SMS reminder is only an auxiliary function. It is suggested that you can send CXLL to 100 10 to inquire about traffic usage.

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