How to fix the Apple 7 voice system error?

Network problem, authority problem, system setting problem, mobile phone failure.

1, bad network: change to a fast network.

2. Permission problem: Check whether the security software installed in the mobile phone prohibits the permission of WeChat. If it is disabled, just restart it.

3. System settings: Check whether the sound setting of the mobile phone is set to mute; Check whether the WeChat voice playback setting is set to "mobile phone only" mode.

4. Mobile phone failure: restart the mobile phone; Upgrade wechat; Restore factory settings.