这是手机的音量被调小了、扬声器被堵塞或手机硬件问题导致的。
一、将手机的音量调大,具体方法如下:
1、首先在手机的桌面点击“设置”,如图。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/1b4c510fd9f9d72a6904123fdb2a2834349bbbab?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、然后在手机的设置界面选择“声音和振动”选项。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b03533fa828ba61eddd5d00d4e34970a304e59dc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、进入声音和振动界面以后,将下图红框内的滑块向右滑动即可调大手机的音量。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9a504fc2d5628535a44bd0039fef76c6a7ef636c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
二、清理扬声器内的异物或水渍。
三、携带手机到小米官方客服中心检修。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0bd162d9f2d3572c61780c499813632763d0c389?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_450%2Ch_600%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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