How to do iphone 4.0 jailbreak?

People often jailbreak their devices to free themselves from service provider restrictions. The term jailbreak is generally used to define the process of hacking an iPhone to free it from Apple restrictions. Because the iPhone is far from flawless as Apple created it, millions of iPhone users have been trying to jailbreak in search of changes and improvements to their devices. iPhone has been held back by limited customizability, text message privacy issues, arbitrary data restrictions, and a lack of true multitasking capabilities. But iPhone Jailbreak can solve all of these problems with apps and fixes available in Cydia and Installer. There are so many softwares that help in jailbreaking your device like Cydia and Pwnage tool and to know the complete process about how to jailbreak your iphone4 you can visit the websites like iphonehacks, appleiphonereview and gizmodo……hope it helps