If you wish to change the look of your iPhone, this guide shows how to customize iPhone icons to get the look you want.

Redesigned app icons. None of the themes could be complete ... display suggestions for shortcuts based on the way you use your phone. At the top, tap on the search bar, type in "Open app," and ...

The steps might be different for you, depending on your device and software version ... Can you change the icon size on an iPhone?