By Jenefey Aaron

Updated on 2025-10-20

100 % Helpful

[Official] How to Enter and Exit DFU Mode on iPhone 17

By Jenefey Aaron

2025-10-20 / iPhone 17

At times, your iPhone 17 might run into problems that regular fixes can’t solve. That’s where iPhone 17 DFU mode comes in. DFU mode lets you restore your device at a deeper level, helping fix serious software issues that won’t go away on their own.

In this guide, you'll learn how to put iphone 17 into dfu mode, why it’s useful, and exit it step by step. Following these easy instructions will help you get your iPhone back to normal quickly and safely.

Part 1. What Does DFU Mode Do on iPhone 17?

Part 2: How to Put Your iPhone 17 in DFU Mode

Part 3. How to Exit DFU Mode on iPhone 17

Part 4. iPhone Stuck in DFU Mode? Fix It Easily!

Part 5. DFU Mode vs Recovery Mode What’s the Difference?

Part 6. FAQs about iPhone 17 DFU Mode

Part 1. What Does DFU Mode Do on iPhone 17?

The iPhone 17's best restore state is DFU (Device Factory Update) mode. It does not launch iOS or the firmware; instead, it connects your phone straight to iTunes or the Finder. Reinstalling the firmware entirely, resolving complex software problems, and making system modifications that other modes are unable to manage are all made easy by this.

DFU Mode vs. Recovery Mode vs. Safe Mode

Recovery Mode: Loads a basic version of iOS to restore or update the device. Great for fixing most common problems.
Safe Mode: Limited to iPhones that have been jailbroken, it launches iOS with few modifications so you can get rid of problematic ones.
DFU Mode: Allows you to make significant changes or reinstall firmware by operating at the deepest level and completely avoiding iOS.

When to Use DFU Mode

Fixing stubborn problems that Recovery Mode can’t solve
Downgrading to an older iOS version (if Apple is still signing it)
Removing a jailbreak and restoring the device

Part 2: How to Put Your iPhone 17 in DFU Mode

DFU mode (Device Firmware Update) is like a “deep reset” for your iPhone. It’s used when you want to reinstall iOS, fix serious software issues, or downgrade to an older version.

How to enter dfu mode iphone 17 pro max (iPhone 8 and newer — works for iPhone 17 Pro)

Quick-press Volume Up, then quick-press Volume Down.
Press and hold the Side button until the screen goes black (about 10 seconds).
While still holding the Side button, press and hold Volume Down too keep both held for about 5 seconds.
Release the Side button but keep holding Volume Down for another 10 seconds.

If done correctly, the iPhone screen will stay black and Finder/iTunes will show a message that it detected a device in recovery/DFU mode. If you see the Apple logo or any on-screen message, try again.

itunes has detected an iphone in recovery mode

Part 3. How to Exit DFU Mode on iPhone 17

After troubleshooting or restoring your iPhone 17, if it's still in DFU mode, you'll need to exit it before using it normally. Exiting DFU mode is quick and straightforward, but it’s important to follow the correct button sequence. On the iPhone 17 (including Pro and Pro Max models), the process is almost identical to other recent iPhones.

Steps to Exit DFU Mode on iPhone 17:

Quickly press and release the Volume Up button.
Quickly press and release the Volume Down button.
Press and hold the Side button until the Apple logo appears.
Release the Side button your iPhone will restart normally.

Part 4. iPhone Stuck in DFU Mode? Fix It Easily!

Stuck in DFU mode with your iPhone 17 refusing to turn on? It’s frustrating and often happens after an update, restore, or even basic troubleshooting. But you don’t have to waste time with trial-and-error fixes. Tenorshare ReiBoot gets your iPhone back to normal in minutes.

ReiBoot is a trusted iOS repair tool that solves DFU mode problems and over 150 other system glitches without risking your data. Just connect your device, click once, and it’s done. No tech skills needed, no complicated steps just a fast, safe, and reliable repair.

Why ReiBoot is the go to fix:

One-click exit from DFU or Recovery Mode
Zero technical skills required anyone can use it
Full support for all iOS versions & iPhone models, including iPhone 17
Fixes over 150 iOS issues like boot loops, frozen screens, or failed updates
Keeps your data safe during the repair process
Fast & reliable with a high success rate

How to use ReiBoot to get out of DFU mode:

Download and install Tenorshare ReiBoot on your computer. Connect your iPhone to the computer, launch ReiBoot, and click Start Repair.

Select Standard Repair. Make sure to read the on-screen instructions to understand the tool’s requirements before proceeding.

Once ReiBoot detects your device, click Download to get the latest firmware package. Wait until the download is complete.

Click Start Standard Repair to begin fixing your iPhone.

Wait for the repair process to finish. When you see the confirmation message, click Done your iPhone is now back to normal.

Part 5. DFU Mode vs Recovery Mode What’s the Difference?

When your iPhone has problems, Recovery Mode and DFU Mode are two ways to restore or fix it. Recovery Mode is easier and works for most issues, while DFU Mode is deeper and used for serious problems or advanced fixes. Here’s a simple table to help you see how they differ:

Please swipe to view

Feature

Recovery Mode

DFU Mode

What it is

A way to fix iPhone by restoring iOS

A deeper restore mode that works without loading iOS

Screen you see

“Connect to iTunes” message

Black screen, no logos or messages

What it does

Fixes common problems by reinstalling iOS

Fixes bigger issues like downgrades or jailbreaking

How it works

Uses basic system loader (iBoot)

Bypasses system loader for full control

When to use

When iPhone is stuck or won’t update

When Recovery Mode can’t fix the problem

Data loss risk

Might erase data if you restore

Usually erases data because full restore is needed

Easy to use

Yes, simpler for most users

More tricky, better for advanced users

Part 6. FAQs about iPhone 17 DFU Mode

Q1. Why can’t I enter DFU mode?

Getting into DFU mode takes good timing. If your iPhone shows the Apple logo or restarts, try again slowly and carefully. Make sure your cable and computer are working.

Q2. Will DFU mode erase all data?

DFU mode doesn’t delete anything by itself. But if you restore your iPhone using DFU mode, it will erase all data. So, back up your phone first.

Q3. Does DFU mode remove Apple ID?

No, it doesn’t. After restoring, you still need your Apple ID and password to use your iPhone if Find My iPhone is on.

Conclusion:

Being stuck in iPhone 17 DFU mode can be frustrating and worrying, especially if you’re not sure what to do next. Trying manual fixes can take time and sometimes doesn’t work. That’s where Tenorshare ReiBoot comes in. With just one click, you can exit mode DFU iPhone 17, repair over 150 other iOS issues, and keep all your data safe. It’s a quick, easy, and reliable way to get your iPhone working perfectly again without the stress.