Itâs amazing how much you can accomplish with a smartphone these days. These handheld computers can be used to search the internet, complete financial transactions through banking apps, take spectacular photos with near-professional quality cameras that are built-in and so much more. Tap or click here for a list of apps that will help you get even more out of your device. Now imagine losing everything stored on your smartphone by accident. Itâs truly a nightmare situation. Believe it or not, but there is actually a hidden iPhone setting that could make this a reality. Letâs take a look at why this setting exists and how you can avoid erasing all of your critical files and precious memories by mistake.