What is the short message function of Guangdong Communication Treasure Box?

At present, SMS mode not only provides the opening and cancellation functions of Guangdong Communication's treasure chest, but also provides the functions of password retrieval/modification, contact inquiry, contact addition, group SMS and so on. For details, please refer to the short message description (/) in the help center of the communication treasure chest website. Users of the free version can open and cancel directly on the client and website without using SMS.