When buying a 3G mobile phone, pay attention to the following points:
1. Whether or not the camera has nothing to do with 3G. There is a camera just to allow your 3G mobile phone to have video chat, video conferencing and other functions.
2.3G refers to a communication technology standard. In accordance with this standard, it is 3G mobile phones. The technologies that meet this standard include W-CDMA CDMA-EVDO and TD-SCDMA, among which TD-SCDMA is developed by China. 2008 April 1st, China Mobile has launched TD-SCDMA in Beijing, Shanghai, Tianjin, Shenyang, Guangzhou, Shenzhen, Xiamen and Qinhuangdao.
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