What does blinking red light in Samsung portable 10000 mah battery pack indicate? My Samsung portable battery pack support wireless charging of mobile - can the battery pack itself be charged wirelessly ?

I was trying to download a picture from Google. But the download got hanged and in the notifications panel the status is continuously showing downloading and I can't cancel it by pressing the cancel button. 

Hi. This is N. Dutta. My Samsung galaxy note 20 ultra 5G phone is having trouble with the touch screen. The screen is operating on its own, ghost touch. Please tell me how to solve it ?