How to cancel volte HD call?

1. You can contact the operator's customer service to cancel the VoLTE service. The contact numbers of the four major domestic operators are: 10099 (China Radio and Television), 10086 (China Mobile),10 (China Unicom) and 10000 (China Telecom), so you can call them in time. You still need to close the clickable link to find the online customer service help page link.

2. Log in to China Unicom APP with your mobile phone, click Services to handle the basic service VoLTE HD call, and close it according to the system prompt. Log in to the online business hall of China Unicom, click Service to handle the basic business VoLTE HD call, and close it according to the system prompt.

3. Take vivox20 mobile phone as an example. First, find the settings icon on the phone desktop, and click Enter. Then click the "Dual Card and Mobile Network" option. Then find the "China Mobile" option and click Enter. Then you can see the "volte Call" option.