Once the firmware and iOS versions are updated in the restore via recovery mode, you cannot undo it. The screen is not completely blank, like the one in DFU mode because of booting the operating system. In Recovery Mode, the iPhone enters the iBoot bootloader, and you can see the iTunes logo and USB cable icon on your screen. You can actually downgrade, replace or upgrade the firmware in DFU mode.
However, you can perform the DFU restore via iTunes. When you try to enter DFU mode, your iPhone skips iBoot bootloader, and as the iBoot bootloader is bypassed, the screen of your device is entirely blank. How is DFU Mode Different From Recovery Mode? The firmware gets reloaded after DFU restore. In other words, the DFU restore resets the code written for hardware and software settings. It restores the hardware and software settings of your iPhone. What is DFU Restore?ĭFU stands for Device Firmware Update, and it is the mode that allows for one of the deepest types of restore on your iOS device.
However, before getting into the procedure of performing DFU restore, it is essential to know what DFU restore is, and how is it different from recovery mode. We will show you how to put your iPad or iPhone in DFU mode and perform a restore. People often get confused between recovery mode and DFU mode as both the modes can restore your iPhone in such a way that it starts working normally. The only option you are left with is to restore your iPhone or iPad using DFU mode or recovery mode. Sometimes, the issues with the iPhone are so critical that there is no straightforward way to resolve it.
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