Thanks for being with Samsung and sharing your concern. We would like to inform you that Full Screen Caller Image is not inbuilt feature of Samsung devices. However we have noted down your valuable feedback and we will surely share this with our relevant department, any update in this regards will be convey to you via various means of communication. Be sure to hit ♡ when you find an answer that works for you.
in my samsung c7 pro i had this feature. but two days back i updated software. now i m not getting full screen image, tried so many apps but cant.. please try to bring this feature in our cell also