: Many cameras follow the Design rule for Camera File system (DCF) , which defaults to this sequential naming style to help organize photos chronologically.
If you are trying to find the origin or details of a specific file named IMG_0470.jpg , you can try these methods: About - Gravely Speaking IMG_0470.jpg
: iPhones and iPads use the IMG_ prefix followed by a four-digit number for photos saved to the Photos app . : Many cameras follow the Design rule for
A picture from a discussing the 2011 Tucson Show. How to Identify Your Specific Image IMG_0470.jpg