iphone jailbreak The idea behind how to jailbreak iPhone 4 – or how to jail break iPhone 4s – is not a new one. Jail breaking has been around since the beginning of the iPhone – and has been for good reason. Every product, within any industry, always faces criticism in what it does and the qualities it possesses. Sometimes this criticism is displayed through words, while other times such criticism comes from action. In the case of the iPhone, and all subsequent products, the criticism has come in the form of action. The ability to jailbreak iPhone 4/4s is this action.