So my iPhone 4 is jailbroken. I downloaded an .avi file using download lite, or downlite, something like that. Anyway I thought I would change the extension to .mp4 using ifile so I could watch the video, you know, common sense. So after I did that, exited the app and my phone froze. I reboot it right away. Everything is good now but does anyone know why this happened? Thanks for feedback in advance!