The phrase "iPhone screen" refers to the display or monitor of an iPhone. It is the part of the iPhone where you see everything, like apps, images, and texts.
Sentences with «iphone screen»
iPhones screens have remained relatively small and don't lend themselves to sustained reading. (lulu.com)
Back in July, Voice Bank demonstrated software to convert digital manga to fit the iphone screen, and was seeking partners to deliver content in the US. (manga.jadedragononline.com)
Also, reading on an iphone screen you said was bad for melatonin but what about eyesight in general? (goodereader.com)