In the event you think your stock ROM is faulty, or you want to flash back to a previous version on your Samsung device, here is how. This is for Samsung devices, and a general guide at that. Some carriers may have more detailed steps that need to be taken. I cannot guarantee how well this will work for every device. The things you will need: - Download and install ODIN - A program called 7Zip - A copy of your stock ROM in question. Odin is a program that can utilize the MD5 file to install ROMs to your device. MD5 files can be anything from recoveries, modems, and even ROMs. First, one of the things that may need to be done is to update your device drivers. You can do this one of two ways. -You can search the net for your updated drivers. Download and then install to your PC. -Or you can download or update Kies. Part of those processes are to install or update drivers. Once drivers are installed, a restart of your PC may be required. In fact, I...