How to Put Your iPhone in DFU Mode: A Complete Restoration Guide

Device Firmware Update (DFU) mode is the deepest restoration state available for iOS. Unlike Recovery Mode, DFU mode bypasses the iBoot bootloader entirely. This allows you to interact directly with the SecureROM bootloader of your iPhone's SoC to reinstall firmware from scratch.

In our laboratory, our diagnostic experts utilize DFU mode to recover devices suffering from bootloops or corrupted upgrades. In our tests, we have restored bricked devices using these steps. This guide outlines the exact hardware key sequences required to enter DFU mode.

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DFU Mode vs. Recovery Mode

Understand the distinctions shown in the table below compiled by our testing team:

Metric	Recovery Mode	DFU Mode
Bootloader	Yes (iBoot)	No (Bypasses iBoot)
On-Screen	"support.apple.com/iphone/restore"	Completely black screen
Data Preservation	Can choose to Update or Restore	Forced complete data erasure
Best Used For	Basic system restore	Hard brick recovery, bootloops

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How to Put Modern iPhones in DFU Mode (iPhone 8 to Present)

This method applies to all iPhones with Face ID or capacitive home buttons (iPhone 8, X, 11, 12, 13, 14, 15, and 16 series, including SE Gen 2 and 3).

Step-by-Step Instructions:

1. Connect to Computer: Connect your iPhone to your Mac or PC using a cable. Open Finder or iTunes.
2. Press Volume Up: Press and quickly release the Volume Up button.
3. Press Volume Down: Press and quickly release the Volume Down button.
4. Hold Side Button: Press and hold the Side button. The screen will turn black. Keep holding for 10 seconds.
5. Hold Volume Down: Press and hold the Volume Down button. Hold both for 5 seconds.
6. Release Side Button: Release the Side button but continue holding Volume Down for another 10 seconds.
7. Verify Screen State: The screen must remain completely black. Look at Finder or iTunes on your computer to verify a popup detecting an iPhone in recovery mode.
8. Process Restoration: Click Restore iPhone to download and install clean firmware files.

Note: If the Apple logo or support URL appears, you entered Recovery Mode. Perform a reboot and restart. For restarting out of frozen states, read How to Force Restart Any iPhone Model (iPhone 8 to Present).

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How to Put Older iPhones in DFU Mode

iPhone 7 and iPhone 7 Plus

1. Connect the phone to your computer and open Finder or iTunes.
2. Press and hold the Power and Volume Down buttons simultaneously for 10 seconds.
3. Release the Power button but continue holding Volume Down for another 5 seconds.
4. The screen must remain black.

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Frequently Asked Questions (FAQ)

What if my screen turns on during DFU mode?

If you see the Apple logo, your device is not in DFU mode. The screen must remain black. Start the timing again.

Will DFU mode delete my photos and files?

Yes. Performing a restore in DFU mode completely wipes the device's storage. It is crucial to restore your personal files from an external cloud backup after the process. For step-by-step setup support, read our instructions on How to Restore an iPhone Using iTunes or Finder: Step-by-Step.

What should I do if my iPhone is stuck on the Apple logo?

If your iPhone is bootlooping, you can try entering DFU mode to force a complete firmware reinstall. Refer to How to Fix an iPhone Stuck on the Apple Logo: Step-by-Step Guide.

Can DFU mode fix hardware issues?

No. DFU mode only fixes operating system corruptions and firmware bugs. If your motherboard has physical liquid damage, DFU mode will fail and return error codes. You can check repair manuals on iFixit or consult Apple Support. For older guides on macOS command lines, check out OS X Daily.