2G用户升级4G套餐,如手机卡是USIM卡的,无需换卡的,如不是USIM卡,需到联通营业厅办理换卡,可以取出手机卡查看的,手机卡是会标记SIM卡还是USIM卡的。
另外,要使用联通4G,需满足以下情况:
1、使用联通4G套餐或者2G/3G用户开通了4G上网功能;
2、手机支持联通4G;
3、当地有联通4G网络覆盖。
温馨提示:4G全国统一资费,去到哪儿都一样!升级4G全国套餐详情请点击
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