Figure out the reasons and speed up the transfer speed.ġ. Several reasons can cause the slow transfer speed. Is this normal? Is anyone else experiencing this problem?' Why Is It Taking So Long to Import Photos from iPhone to PC I have restarted, reinstalled the app and it's still unbelievably slow. It takes hours to transfer only 10 pictures. But now, I am experiencing severe problems when trying to import photos from my iPhone 8 Plus. 'For years I have successfully imported photos from my iPhone to my Mac.