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手机高速上网如今已是很平常的事。这两年通讯市场发展最为迅猛的无疑是3G和4G上网,各大通讯运营商大力建设3G和4G网络,生产厂商则竞相推出大屏幕、高性能的手机,以及各种带通讯功能的平板电脑。但伴随着上网的愈加方便,各种吸费手机和吸费软件也风生水起,在机主不知情的情况下蚕食话费。而对于老人而言,关于流量和4G的概念更是模糊,上不上网都走流量,动不动就欠费,老人用手机、买手机都存在着上当受骗的可
High-speed mobile Internet is now very common. In the past two years, the most rapid development of the communications market is undoubtedly the 3G and 4G Internet access. Major telecom operators are making great efforts to build 3G and 4G networks. Manufacturers are competing to launch large-screen and high-performance handsets and various tablet PCs with communication capabilities . However, with the more convenient access to the Internet, a variety of suction-fee mobile phones and suction fee software also come to fruition, in the absence of knowledge of the owner eager to spend. For the elderly, the concept of traffic and 4G is vague, do not go on the Internet are going to traffic, often arrears, the elderly with mobile phones, mobile phones are there to deceive the