How to jailbreak iPhone 4s? Well it can be easily done. Why not try some simple techniques to jailbreak iPhone 4s, such as using a software to jailbreak and unlock your iPhone? The iPhone 4s is built much differently to the other iPhone's and for this reason you cannot unlock or jailbreak iPhone 4s with the same software versions that unlocks and jailbreak the other models of iPhone. For instance, the firmware and basebands at the core of the iPhone models are much different. Make sure you remember this when choosing some unlocking or jailbreaking software.