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清退2G网络创建5G网络商用，三大运营商有差别，这些可能与你相关
source link: http://network.51cto.com/art/201804/571551.htm
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最近关于电信运营商取缔2G网络，可以说是传的沸沸扬扬，很多网友都比较关心：2G网络取消了，原来的2G卡不能用怎么办?甚至，有网友对此表示抱怨!其实别抱怨，也别担心，今天我们就在这篇文章里和大家讲讲清楚。
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