Enter DFU Mode

This article teaches you how to put your iPhone or iPad in DFU (Device Firmware Update) mode, which is the deepest recovery mode available on an iOS device. When you recover in DFU mode, your computer erases and reinstalls everything on the device, including the firmware that controls the hardware components.

Steps

  1. Press and hold the Sleep/Wake button. It's on the top-right or upper-right side of your device.
    • Hold the button until you see "slide to power off" in the upper part of the screen.
  2. Slide "slide to power off" to the right. Your device will shut down.
  3. Connect your device to a desktop computer. Use the cable that came with your device. Plug the USB end into your desktop and connect the 30-pin or Lightning end to your iPhone's charging port.
  4. Open iTunes. It's an app with a musical note icon.
    • iTunes may launch automatically when you connect your device.
  5. Press and hold the Sleep/Wake button. Hold the button for 3-4 seconds.
  6. Press and hold the Home button. Do so while holding the Sleep/Wake button. It's the round button on the face of your device.
    • On iPhone 7 and iPhone 7 Plus, which do not have mechanical Home buttons, press and hold the Volume Down button on the left side of the iPhone's housing.[1]
  7. Hold the two buttons simultaneously for 8-10 seconds.
    • Do not release the buttons when you see the Apple logo or a USB/Lightning icon on the screen.
  8. Release only the Sleep/Wake button. Do so after 8-10 seconds.
  9. Continue holding down the Home button or the Volume Down button (iPhone 7/7 Plus). Do so until you see an “iTunes has detected an i[Device] in recovery mode.” alert on your computer screen.
  10. Release the Home button or the Volume Down button (iPhone 7/7 Plus). Your device should have a completely black screen and can now be restored in DFU mode with iTunes.
    • If there is an Apple logo or a USB/Lightning icon on the screen, your device is not in DFU mode, and you'll need to try the steps again.

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Sources and Citations