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The voice of WeChat phone rang twice, but it didn't ring. What happened to iphone7?

Many users of the IOS system have experienced this situation, but it will be fine after a while.

There may be the following reasons: 1, the other party is on a video call with someone else, so there is no sound after ringing twice; 2. The network signal is not good, and the signal is interrupted twice; 3. The memory of the mobile phone is full, and the WeChat video cannot be used normally.

The following actions are recommended: 1. Check whether the mobile phone network connection is stable. It is recommended to try to change the wireless network. 2. Try to update the software version. 3. Click on the mobile phone application-Settings-Application Manager-Download-Select the problematic application-Clear the data. 4. Back up data (contacts, text messages, pictures, etc.). ), restore the factory settings and try to reinstall. 5. Update the next mobile phone system version.