When your smartphone is connected to Wi-Fi, no data flow will run through your phone’s network, but once you leave the Wi-Fi spot, your phone will automatically connect to a 3G or cellular network.
21世纪报社版权所有，未经书面授权，禁止转载或建立镜像。 主办单位：中国日报社 Copyright by 21st Century English Education Media All Rights Reserved 版权所有 复制必究 京ICP备13028878号-12京公网安备 11010502033664号
京公网安备 11010502033664号
