Unicom SMS system is busy.

If you can't display 3G traffic packets, the possible reasons are as follows:

1. This service does not open number attribution;

2 do not meet the conditions for handling;

3. The mobile phone is turned off and can only be processed when it is turned on normally;

4. The treatment method is wrong. If the instruction is sent incorrectly, you can check whether the operation is wrong.

The system is busy, you can try again next time.

If the above situation has not been solved, it is suggested that you can contact the manual customer service of the number to check the specific reasons.