为什么我换了4G卡后,手机左上角还显示中国移动3G

2025-03-15 01:30:45
推荐回答(5个)
回答(1):

使用4G只需要过四关:手机支持4G功能、更换为4G卡、有4G网络覆盖、打开4G上网开关。符合以上条件后,手机屏幕上会显示L或4G这样的标识哦~

回答(2):

那是因为你现在所处的位置4G信号不强(不排除你手机设置的是只限3G的可能)。不是说你手机换成了4G或4G的卡它就一定是4G了。就像3G手机在没有3G网络覆盖时依然要用2G网络一样 。不过你没说具体的手机型号,我也没法判断。建议你到办理4G卡的营业厅去询问一下。
ps:你手机是不是支持中国移动TD-LTE?别买成了FDD-LTE制式就惨了。

回答(3):

手机不是移动4G手机

  1. 移动4G卡,能向下兼容移动3G,2G;

  2. 使用4G网络需要满足两个条件,一是移动4G卡,二是内置支持移动4GTD-LTE模块的手机。

回答(4):

IPHONE 6之前也遇到同样问题,解决方法:

  1. 确定已换4G卡,已开通4G套餐,处于4G网络覆盖区域

  2. 手机设置-通用-还原-还原网络设置-自动重启手机

  3.  左上角显示正常

  4.  

回答(5):

首先你看你的手机是否支持4G网络,如果支持,你在网络设置里看你是否打开了启用4G

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