What is DFU Mode?
DFU Mode allows your iPhone to interface with iTunes or Finder without loading the operating system or bootloader. It’s a more in-depth restore method than Recovery Mode, often used when standard restore methods fail. It’s essential for troubleshooting more severe software issues.
Steps to Put iPhone in DFU Mode:
For iPhone 8 or Later (including iPhone X, XS, 11, 12, 13, 14, and newer):
1. Connect Your iPhone to Your Computer:
• Use a USB cable to connect your iPhone to a computer with iTunes (on Windows) or Finder (on macOS Catalina and later).
2. Turn Off Your iPhone:
• Quickly press and release the Volume Up button.
• Quickly press and release the Volume Down button.
• Press and hold the Side button until the screen goes black.
3. Enter DFU Mode:
• As soon as the screen goes black, press and hold the Volume Down button while continuing to hold the Side button for about 5 seconds.
• After 5 seconds, release the Side button but keep holding the Volume Down button for another 10 seconds.
• If done correctly, the screen will remain black, and iTunes or Finder will detect your iPhone in DFU mode.
For iPhone 7 and 7 Plus:
1. Connect Your iPhone to Your Computer:
• Use a USB cable to connect your iPhone to a computer with iTunes (on Windows) or Finder (on macOS Catalina and later).
2. Turn Off Your iPhone:
• Press and hold the Side (or Top) button until the screen goes black.
3. Enter DFU Mode:
• Press and hold both the Side (or Top) button and the Volume Down button for 10 seconds.
• After 10 seconds, release the Side (or Top) button but continue holding the Volume Down button for another 10 seconds.
• The screen should remain black, and iTunes or Finder will detect your iPhone in DFU mode.
For iPhone 6s or Earlier (including iPhone SE 1st generation):
1. Connect Your iPhone to Your Computer:
• Use a USB cable to connect your iPhone to a computer with iTunes (on Windows) or Finder (on macOS Catalina and later).
2. Turn Off Your iPhone:
• Press and hold the Sleep/Wake (Side or Top) button until the screen goes black.
3. Enter DFU Mode:
• Press and hold both the Sleep/Wake (Side or Top) button and the Home button for 10 seconds.
• After 10 seconds, release the Sleep/Wake button but continue holding the Home button for another 10 seconds.
• The screen should remain black, and iTunes or Finder will detect your iPhone in DFU mode.
Exiting DFU Mode:
To exit DFU Mode, simply force restart your iPhone:
• For iPhone 8 or Later: Quickly press and release the Volume Up button, then the Volume Down button. Press and hold the Side button until the Apple logo appears.
• For iPhone 7 and 7 Plus: Press and hold both the Volume Down and Side buttons until the Apple logo appears.
• For iPhone 6s or Earlier: Press and hold both the Home and Sleep/Wake buttons until the Apple logo appears.
Final Thoughts:
DFU Mode is a powerful tool to resolve deeper software issues or to restore your iPhone when other methods fail. Be cautious when using it, as it can erase your device if not done properly. If you’re unsure or encounter difficulties, it’s advisable to seek professional assistance.
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