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联通2G卡怎么升4G

2025-03-31 07:02:42

推荐回答（2个）

回答1：

1、如您所述，如您的联通2G SIM卡需更换为Nano-SIM卡或Micro-SIM 卡，您可携带有效身份证件前往营业厅办理换卡业务。
2、如您的联通2G号卡套餐需升级为4G套餐，您可通过联通网上营业厅、手机营业厅、实体营业厅和客服热线办理套餐升级。
3、因各省分业务规则存在不同，如您在使用过程中遇到问题，您可拨打号码归属地的联通客服需求帮助。

回答2：

1.联通2G卡是SIM卡，不支持通过网上营业厅自主升级4G卡，需要去当地的联通营业厅更换卡并选择4G套餐才能升级4G。

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