How to Factory Reset iPhone without iTunes Password? Via iOS Unlock. iOS Unlock provides a straight and simple way to help you to perform factory reset locked iPhone or iPad without iTunes launching on your computer. Just follow the easy steps below. Factory reset iPhone always is a firm decision, as it means all of things on iPhone will be lost. However, when our iPhone is stuck in the locked or screen while forget iPhone pass code, and then we have to do it without some hesitation.