Making a phone call and replying a phone call with  a  15.6 inches Smartphone (regardless of Operating System) which has the physical appearance of a  folding smartphone (the folding smartphone has been folded like a normal Android smartphone) 

Picture above is for illustrative purposes only . Making a phone call and reply a phone call with  a  15.6 inches Smartphone (regardless of Operating System) which has the physical appearance of a  folding smartphone (the folding smartphone has been folded like a normal Android smartphone) 

 

Picture above is for illustrative purposes only . Making a phone call and reply a phone call with  a  15.6 inches Smartphone (regardless of Operating System) which has the physical appearance of a  folding smartphone (the folding smartphone has  been  unfolded to become  a   15.6 inches Tablet)