The newest 3G Digital Dual SIM Card 
Feature > Support 3G Network/Data, Video Calls > Switch Numbers on Line, the easiest way to switch phone numbers. Do not need to stand-by in turns. > Integrate two SIM cards for saving charge of roaming. > Advanced Smart-SIM technology leads to stable result. > Good for all GSM cellular phones. > Do not need to change the back cover, battery, and others.. > Build up your personal menu ( Option ) > Keep the original STK options which are from provider. (Option) > Flexible Menu Functions according to customers needs. (Option) How is the difference from the old 2-in-1 Dual SIM ? Download the User’s Guide Hyper Card 3G User Guide(中文)
Hyper Card 3G User Guide (English) 
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