How to quickly invert an iPhone’s colours using the side button

Are you considering inverting the colours on your iPhone? It can be a useful feature – especially for those with color blindness or for those who find phone screens difficult to read. The process of inverting your iPhone’s display colours is simple and can be done in no time at all. Here is a step-by-step guide for you to follow, plus how to use the side button to toggle inverted colours on or off.