How Unicom opens SMS service?

1. The SMS function of Unicom card is turned on directly by default. After the card is activated, you can send and receive information. You can activate this function by installing Unicom card in your mobile phone and dialing any phone number.

2. If Unicom card has no SMS function, Unicom online business hall cannot accept it. Users can bring a copy of the owner's ID card and other related documents to the Unicom business hall to open services. China Unicom provides communication services, mainly including mobile communication services, fixed communication services, broadband access services and various telecom value-added services.