美国移动网络运营商:是时候关闭 3G 了

CSDN2021-09-09

你的手机现在正使用什么样的网络服务呢?是4G还是5G呢?如果美国地区的用户依然停留在3G,他们可能需要在手机服务提供商关闭3G网络之前升级,以避免失去服务。 美国联邦通信委员会(Federal Communications Commission,FCC)在其官网宣布,移动网络运营商正在关闭采用旧技术的3G网络,以便更好地建设包括5G在内的进阶网络。因此,许多仍使用3G的旧手机将无法拨打或接听电话和...

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