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华为麦芒4为什么插卡没信号

更新时间: 2020-06-28 00:00:00     

华为麦芒4插卡没信号的原因:

1、手机未检测出SIM卡;

2、手机模式为离线模式或勿扰模式;

3、插入错误卡槽;

4、SIM卡触点氧化;

5、网络类型与SIM卡运营商不匹配;

6、SIM卡槽损坏;

华为麦芒4插卡没信号的解决办法:

1、取下SIM卡,将手机关机,再插入SIM卡,尝试开机;

2、进入手机设置,更改情景模式为正常能使用的模式;

3、取下SIM卡,检查卡槽与SIM卡是否一

关键词: 麦芒 为什么 信号

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