Here’s how to downgrade iOS 12.1.4 to iOS 12.1.1 beta 3 for jailbreak, or iOS 12.1.3, on your compatible iPhone, iPad or iPod touch device the right way. If you want to make use of iOS 12.x.x jailbreak, then here’s how you can downgrade from iOS 12.1.4 to iOS 12.1.1 beta 3 or even iOS 12.1.3 on your iPhone, iPad, or iPod touch. As far as jailbreaking goes, while Apple is no longer signing the jailbreak friendly iOS 12.1.2 and iOS 12.1.1, the good news is that Apple is still signing iOS 12.1.1 beta 3 which means you can downgrade to that firmware to take advantage of the jailbreak.