Why it said permission denied when I tried to access into ims setting in nova

[Android Central Question]

My unlocked galaxy s9 can not use data network while on call with sprint

 

[kct1975]

Typically when you are on a phone call, you cannot be on data at the same time. The reason is that the phone call and the data use the same antenna.

You can, however, be on WiFi data and a phone call at the same time.