Thank you for your asking.
The network strength bar icon >
Because my device does not have the same situation. Please try the troubleshooting tips I mentioned above. If the situation remains the same, please provide me your model and the firmware version.
To avoid overlapping threads, kindly refer to the links below
I am new in this forum, and I have the following problem, the VoLte icon stays on the bar regardless of switching OFF the WiFi calling, is there a way to get rid of the icon. It appeared after the last update, and callers are complaining that they cannot hear me.