如是使用的联通卡手机信号满格但网速慢的情况用以下方式核查:
1.先检查手机终端承诺厂家客服咨询手机是否支持联通4G或5G网络信号(可拨打手机厂家客服运营商查询)
2.查看周围的其他联通用户是否有出现相同的情况
3.换机换卡
4.拨打当地客服咨询下当地是否有网络信号问题
5.拨打号码归属地客服咨询号码网络信号功能状态
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联通服务问卷调查
¥中国联通
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