How does Shanghai Unicom open a traffic overlay package by SMS?

Send SMS command to enable superimposed traffic. The following table describes the detailed SMS commands. The flow that takes effect in the current month is the superimposed flow. Send the corresponding SMS command to 100 10 as needed to enable it.

1. If traffic in the province is needed, send the above instructions to superimpose the traffic packet.

2. If domestic traffic is needed, send the above instructions to superimpose the traffic packet.