The reasons for your failure to handle the traffic package can be judged by the following points:
[Cause One] The traffic packet service is not enabled in the place where the number belongs.
[Reason 2] Mobile phone package does not meet the conditions;
[Reason 3] The mobile phone is in the shutdown state, and it can be handled only when it is turned on normally;
[Cause 4] The mobile phone package already has a traffic package and conflicts with the traffic package to be superimposed.
[Reason 5] The handling method is wrong, if the instruction is sent incorrectly, please re-check the operation mode;
[Cause Six] The system is busy. For example, the system is busy due to a large number of visitors to the website operation. You can try again later. Tips: If the above situation has not been solved, you can contact the local manual customer service to check the specific reason.