

However, device compatibility and downgrading software are also needed to install previous versions of iOS. iFolks also use it to jailbreak their iDevices.įor example: If you have installed the latest version of iOS on your iPhone and want to downgrade your iPhone to a previous iOS version to get the Jailbreak, you need to enter in DFU mode. It allows you to downgrade to previous versions of iOS, to troubleshoot major issues, install custom firmware, or unlock your iPhone.
