How to change the traffic package of China Mobile Card by sending SMS?

Send the corresponding short message code to 10086 to open the traffic packet; Log in to the mobile online business hall to open a traffic package; Open a traffic package in the local entity business hall; Call 10086 for manual service to open the traffic packet; Log in to the mobile handheld business hall to open a traffic package.

Mobile data service package general packet radio service, in the existing A new packet data transmission technology in GSM network? With the advantages of "always on", "free switching" and "high-speed transmission", it can be improved in an all-round way? Mobile data communication service makes "? Unicom's services are richer and more powerful, bringing more convenience and benefits to life and work.