In the US, it is 100% legal to unlock your phone no matters if it is iPhone or any other phone. In case of iPhone, you have to jailbreak it first to get it unlocked. So the question is Jailbreaking iPhone is Legal? And the answer is Yes, Jailbreaking is legal however, you technically “void” your warranty. In US laws are very strict for consumers rights. If you jailbreak, you only void your warranty if Apple can prove that the jailbreak is the reason ...