What is the difference between Dual Active and Dual Standby? Another issue with dual standby phones that support 3G is that, when the 3G / 2G network is used the other SIM becomes inactive. Usually you will not notice this ...
「3g雙卡雙待」的新聞搜尋結果 SPEED 新出的6 吋芒雙卡雙待四核Mobile Tablet MT-3 除了備有6吋的顯示屏而且可以進行3G 語音 ...