After the article on 5 reasons not to do unlock iphone 4 4.0/4.0.2 jailbreak and to unlock your iPhone 4/3g/3gs with 4.0.2 , here are five reasons to do so. 1) It’s very simple. JailbreakMe will help you to jailbreak iPhone 4, Iphone 3g and iphone 3gs gives very simple and fast. Everything is done from the browser, no PC required. The jailbreak IPhone only takes a few moments and is within the reach of anyone. The most complex stage is to drag an arrow from left to right … Read our tutorial to make you aware … 2) is reversible. One of the first questions people are reluctant to pass the course. Keep in mind that it is always possible to remove the jailbreak iPhone 4, Iphone 3g and iphone 3gs. This is again very simple, just plug the iPhone into the computer, launch iTunes and click Restore. The iPhone will no longer be jailbroken and you do not lose anything because your data is reloaded from your last backup. 3) Installing applications unpublished. Cydia provides access to many applications that allow you to customize your iPhone. You can find a list of some essential applications on this article. Some bring in new features like Flash (still in test version), or can completely change the look of the iPhone. 4) Change of operator. This is one reason the U.S. is very important since a single operator can sell the iPhone 4, Iphone 3g and iphone 3gs (which is also a factor motivating directors jailbreak). It was also the case at the beginning of the iPhone 4/3g/3gs in France, where Orange had the monopoly. Being able to use SIM cards of any operator can always be handy when … 5) AppSync. AppSync (and basically anything that is accessible by the source Hackulo.us) is an issue that divides the world of jailbreak iPhone 4, Iphone 3g and iphone 3gs. Applications it is possible to install here are not obtained by legal