天气预报 > 其他 > 华为手机关机之后打不开怎么办
华为手机关机之后打不开怎么办
更新时间: 2020-10-23 00:00:00  

解决方法如下:

登录手机官网,在“软件下载”频道找到手机对应的系统升级包,并下载。将手机的内存卡取出,拷贝安装升级包到SD卡。关机状态下将内存卡重新装入手机卡槽。在手机关机状态下,同时按住手机的音量上下键和手机的开关键五秒,直到手机出现提示正在升级系统。注意手机提示,将手机的充电器插上,防止在恢复升级系统时,手机因无电而关机。系统恢复升级完成后,手机会自动开关机。

关键词: 手机 关机 之后 怎么办

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