官宣！联通eSIM要来啦
早在去年初，中国联通宣布了在上海、天津、广州、深圳、郑州、长沙6座城市率先启动“eSIM一号双终端”业务的办理，这意味着联通开启了eSIM的试商用活动。
现在一年的时间过去了，中国联通的eSIM服务很有可能会正式提上日程。今天中午，中国联通官方微博发布了“eSIM”一词，并配上了奸笑的表情，这让很多网友都认为这是中国联通即将开启eSIM商用服务的暗示。
坐等官方进一步的消息。
eSIM卡，即Embedded-SIM，也就是嵌入式SIM卡。
eSIM卡的概念就是将传统SIM卡直接嵌入到设备芯片上，而不是作为独立的可移除零部件加入设备中，用户无需插入物理SIM卡，如同早年的小灵通。
这一做法将允许用户更加灵活的选择运营商套餐，或者在无需解锁设备、购买新设备的前提下随时更换运营商。
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