华为手机自动开关机的原因有:手机电量不足、误触电源键、手机处于温度过高或过低、定时开关机、存储空间不足、取出外置存储卡等。
1、手机电量不足
手机电量低会导致自动关机,建议您在电量剩余20%左右时及时充电。
2、误触电源键
可能是将手机放到口袋、包中挤压到电源键导致的手机重启,请注意避免挤压电源键,如果挤压超过10秒手机会自动重启。
3、手机处于温度过高或过低
温度过低或者温度过高,会触发手机低温或高温保护功能,导致自动关机或重启。
4、定时开关机
建议您检查下是否开启了定时开关机功能(进入设置,搜索定时开关机),如果有设置过手机会自动开机或关机。
5、存储空间不足
可能是手机缓存文件过多、内存不足。建议您使用手机管家及时清理手机存储空间,并卸载不常用的应用,保持存储空间充足(20%以上)。
6、取出外置存储卡
外置存储卡异常可能会导致手机自动关机或重启。如果您使用了外置存储卡,建议您取出外置存储卡后观察一段时间。
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