What’s worse, is that both of these issues are often amplified when you are on the move. Also, if the connection is flaky, you may be experiencing excessive packet loss. Most often Internet connection is too slow and doesn’t have enough bandwidth for a VoIP HD audio call.
check your Internet connection and speed.Here are some solutions to avoid WhatsApp hanging and not working: Most of the times it’s your Internet! WhatsApp calls require a good amount of bandwidth from your Internet connection to work properly. Internet connection that is not reliable – keeps on disconnecting or is very slow.software conflicts with other apps on your Android or iPhone.out of date app installed on your smartphone.There are multiple reasons why your WhatsApp can become non-responsive and hanging the main ones are:
