For the uninitiated, 3uTools is a free, all-in-one utility for iOS devices. It rivals iTunes and Finder in functionality but surpasses them in granular control. From managing apps and exporting photos to jailbreaking and changing ringtones, 3uTools does it all. However, its core strength lies in the and "Pro Flash" modules.
Click on the "Flash & Jailbreak" tab on the main interface (usually the top-left corner). pro flash 3utools