Can HD be turned off in the mobile business hall?

HD can be turned off in the mobile business hall. In the call settings, just turn off the high-definition call mode. The high-definition calling of the mobile card is VoLTE. You can also call customer service to turn it off manually, or turn off the high-definition calling service yourself in the online business hall. After the shutdown is successful, your phone will receive a text message informing you that the HD function has been cancelled. At this time, the HD on the top of the phone will disappear.

Introduction to HD calls

When many users use their mobile phones, they find that an HD icon appears on the top of the mobile phone screen. HD is the mobile phone signal HD. When the HD icon appears on the mobile phone, it represents the user The VoLTE high-definition voice call function is activated, which is generally provided by communication operators. Generally, it can be turned on in the settings of the mobile phone card, or it can be turned off using a code or in the turned-on position.

VoLTE technology is based on the 4G network. It mainly helps users improve call signals, quality, and stability without interfering with the network, so that both parties making interactive calls can have a better experience and enjoy more stability. communication signal, and the dual-speed voice transmission is more stable and clear.