Huawei's enhanced information is set to gray. How to open it?

Hello, this function needs the business support of the operator. Please consult the network operator for details.

VoLTE service needs to be started before using the enhanced information function. Please consult the network operator for details.

By default, the enhanced information feature is turned off. If you need to use it, you can open the information and click? More > Settings? & gt？ Enhanced information, turn on the enhanced information switch.