How to turn off an hd on the mobile phone?

how to turn off hd when it appears on the phone: 1. find the settings in the phone and click enter.

2. click to open the mobile network and enter the mobile network setting interface.

3. Find the VOLTE hd calling option and turn it off, and the HD logo of the phone will disappear at the top left of the phone.

the phone display HD is the symbol of high-definition calling VoLTE, which means that it is 4G+VoLTE function when calling.

different operators' methods of opening Volte: Unicom users' Volte services are opened by default, and users do not need to apply for opening. As long as the local Unicom has covered the Volte service.

the method of activating Volte for mobile users: just send a short message to 186 to activate KTVolte, or call the manual customer service number of 186 to activate it.

the method of opening Volte for telecom users: just send a short message of KTVolte to 11, or call the manual customer service phone of 11 to open it.

when making a call, the network sign in the upper left corner always shows 4G, so you can surf the Internet normally by switching the phone to the background, indicating that the Volte function has been enabled.

after the operator turns on the VoLTE function, it can improve the utilization rate of wireless spectrum, at the same time, stable and efficient use can reduce the cost, users can improve the call experience, and in more and more VoIP phones, the operator's own advantages are increased.

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