My name is ***** ***** certified professional with over 10 years experience. I will be glad to assist you with this.
I am sorry to hear that you are having this issue.
Try this please.
Scroll from screen to screen until you see the phone icon, either up and down or left to right. Then when you find the icon, hold your finger on it for 2-3 seconds and then drag it to the bottom of the screen while holding it then release.