![]() Caution - you may lose all your iPhone data! This mode is also commonly used to downgrade or jailbreak iPhone. Putting iPhone into DFU mode is the solution when Recovery Mode doesn’t resolve the problem. An iPhone in DFU mode has completely black screen. As DFU mode doesn’t use iBoot, you can make changes in the operating system of the iOS device. What is DFU Mode and its use?ĭevice Firmware Update or DFU mode lets your iPhone to connect with iTunes on computer without iBoot. Recovery Mode is helpful in fixing iPhone update or restore issues, such as iPhone stuck at Apple logo, unable to open locked iPhone or want to reset iPhone but forgot iPhone passcode. The iPhone screen in Recovery Mode prompts to connect iPhone to iTunes showing a computer image. Recovery Mode helps to install the same or above iOS firmware version that’s already on your iPhone. iBoot is a bootloader program for iOS devices. Recovery Mode uses iBoot to upgrade or restore your iPhone.
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