Tip 1: Put iPhone 8/iPhone 8 Plus/iPhone X in DFU mode Last but not least, since it's very easy to make mistake during the process, you may need to go over the steps first before you perform the method on your iPhone. To avoid data loss, you are recommended to back up your iPhone to the computer first before your iPhone enters DFU mode. What's more, putting your iPhone in DFU mode will erase your iPhone data. To make sure the process goes smoothly, you'd better equip your computer with the latest version of iTunes. The ways to put iPhone 7 and iPhone 6 in DFU mode are also provided in case you need them.
Thus this article is written to detail the method to put iPhone 8, iPhone 8 Plus or iPhone X in DFU mode.
If you are using an iOS version with bugs you can't put up with, you may want to downgrade it to the previous version when there is no improved iOS system available.
That's why when you need to downgrade your iOS version, it's necessary for you to put your iPhone in DFU mode. Unlike putting iPhone in Recovery Mode, which enables you to re-install your iOS operating system, putting iPhone in DFU mode makes it possible for you to change your operating system.
