微信不能说话通常是软件的原因。
解决方法如下：
1、ios7版本新增了麦克风选项我们只需要设置一下就好了，点击“设置”
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2、在“设置”中找到“隐私”这一选项，然后点击进入“隐私”。
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3、进入“隐私”之后，我们可以看到“麦克风”的选项，点击点入“麦克风”。
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4、这时我们找到麦克风列表中的“微信”这一栏，打开右侧的功能开关。然后返回微信就可以正常的使用微信语音的功能了。
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