Can Lenovo A820T mobile phone use Unicom card to make phone calls and send text messages?

Lenovo A820T is a mobile version. Supported network standards are Mobile 3G(TD-SCDMA) and Unicom/Mobile 2G(GSM). Unicom 3G network is not supported, and Unicom card can be used, but it is limited to Unicom 2G network. 1, use Unicom 3G package or number to open 3G traffic package and other services; 2. The mobile phone terminal supports Unicom 3G network; 3. If the location is within the coverage of Unicom 3G network, you can use Unicom 3G network.