Delay in SMS leads to arrears

According to the information you provided, under normal circumstances, if your credit line runs out, you will be turned off because of arrears.

If you mean using your mobile phone to surf the Internet to generate traffic, but you haven't received the SMS reminder of traffic, there are several main reasons:

1 Your mobile phone has been turned off or stopped for more than the time limit for sending SMS (i.e. 24 hours);

2 SMS storage space is full;

Due to the influence of network and rush hour, there may be some time delay or information loss when sending SMS.

If this is not the case, it is recommended to contact the Unicom customer service to which the number belongs.

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