Here's a step by step guide on to unjailbreak iOS on your jailbroken iPhone, iPad or iPod touch using Cydia Impactor. This new tool actually lets you restore iOS to stock setup without using Restore functionality in iTunes, without updating iPhone or iPad to latest version of iOS firmware and without losing the ability for the device to jailbreak - all on the same version of iOS.

Saurik has released a brand new tool called Cydia Impactor which lets you restore or unjailbreak your device to same iOS version, removing all the data, apps, Cydia, tweaks and jailbreak, without having to use Restore in iTunes and get to the latest firmware version. It's like unjailbreaking a jailbroken iPhone without losing the ability to jailbreak. In short, Cydia Impactor is a big deal!