方法一
微信不能发语音是因为没有授权微信使用录音功能，以小米手机为例，解决微信不能发语音的方法如下：
1.打开“安全中心”。
2.选择“授权管理”。
3.点击“应用权限管理”。
4.点击“权限管理”。
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5.点击“录音”进入后找到微信。
6.点击“微信”图标，在弹出来的选项中选择“允许”即可。
方法二
进入手机设置，管理应用程序
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找到微信选择清楚数据缓存即可
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方法三
进入微信我设置通用清除缓存
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点击手机瘦身根据自身情况选择
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