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魅蓝5怎么没信号
更新时间: 2020-06-30 00:00:00  

魅蓝5没信号可能跟SIM卡本身或者网络设置有关;

解决方法:

1、检查SIM是否符合安装规格;

2、检查SIM是否因剪卡、老化等因素被损坏;

3、进入“设置,网络,网络模式”,检查设定的2G或3G或4G模式是否与使用的SIM卡类型相符;

4、进入“设置,网络,网络运营商”,选择“自动”,观察服务是否恢复,如果没有恢复服务,重启观察是否恢复;如重启后恢复,可能是“基带及固件”引起,重刷新固件及基带维护即可;

5、进入“设置,关于手

关键词: 怎么 信号

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