Jak przełączyć iPhone'a w tryb DFU

Autor: Nathan E. Malpass, Ostatnia aktualizacja: 6 marca 2020 r

Part 1: Why you’d enter DFU ModePart 2: Starting Up DFU ModePart 3: Alternative Method to Enter DFU Mode (All iOS devices)Część 4: Jak wyjść z trybu DFUPart 5: Solution: Using FoneDog toolkit - iOS System Recovery - Making the Process EasierPrzewodnik wideo: jak rozwiązać różne problemy z systemem iOS

Part 1: Why you’d enter DFU Mode

When your iPhone or iOS device has the problems such as a red screen, keep restarting, or the app no longer works. Do you feel nervous and want to know how to solve these problems. After trying a common troubleshooting method and none of them succeeded, you decided to switch to the recovery mode feature. But sometimes recovery mode does not necessarily solve your problem. At this time you will think of the DFU mode function. DFU stands for Device Firmware Update and is accessible through any iOS device such as the iPad, iPod, and iPhone.

The mode reaches into the deepest parts of an iOS device and allows for the best chance for recovery. This is done by reinstating a previous state where the device was still functional.

If functionality is not the issue, Tryb DFU can be used for jailbreaking. This would perhaps be the number one reason for many iOS device users looking to get more out of their Apple device.

Aside from jailbreaking, unlocking the iPhone so it can accept any SIM worldwide is also quite popular.

More information about what Tryb DFU is can be found here (link to Tryb DFU: podstawy i jego funkcje).

Now let us look into how we can prepare and enter this mode.

Part 2: Starting Up DFU Mode

Before Starting Up DFU Mode: Preparation and Precautions

We will now show you step-by-step on how to enter this mode, but before anything else please take note of these needed preparations and precautions.Przygotowanie

1. Make sure that you have successfully backed up all your data. Do this via iTunes or iCloud FoneDog - iOS Apps Backup and Restore.

Click the free trial button to backup your iPhone data.

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2. It is a good practice to charge your iOS device to at least more than 50% battery life. This ensures that the process won’t be interrupted - important if your area suffers from power outages. During these times a laptop may be needed as a desktop will completely be unusable.

3. Dowiedz się, co robią wszystkie przyciski - przycisk Home, przycisk zasilania (inaczej przycisk Uśpij i Obudź). W przypadku iPhone'a 7 lub 7 Plus przycisk Home nie jest już istotny. W tym przypadku zamiast niego używany jest przycisk zmniejszania głośności.

4. Przygotuj kabel USB kompatybilny z urządzeniem iOS.

5. Policz swoje sekundy poprawnie lub użyj timera. To jest bardzo ważne.

Icloud Web

Środki ostrożności

1. Completing recovery with the DFU Mode results in loss of data, it is, therefore, imperative to have your data backed up so it can be easily retrieved later.

2. Make sure no damages to any components are reported, especially with water - this may abruptly cause ‘premature completions’ or none at all. Please note that while the iPhone 7 and 7 Plus are waterproof, any open cracks will still allow water to do damage.


How to Enter DFU Mode(iPhone, iPod or iPad)

1. Have iTunes up and running. Tryb DFU communicates with iTunes in order to retrieve previous states.

2. Connect your iOS device to your Mac or Window computer.

3. Wyłącz urządzenie iOS. (Przytrzymaj przycisk zasilania, aż pojawi się czerwony suwak, a następnie przesuń w prawo) (Można to również zrobić, przytrzymując przycisk zasilania i przycisk strony głównej, aż się wyłączy).

4. Przytrzymaj przycisk zasilania przez 3 sekundy.

5. KROKOWY KROK: Przytrzymując przycisk zasilania, naciśnij i przytrzymaj przycisk Home.

6. Przytrzymaj oba przyciski dokładnie przez 10 sekund i zwolnij TYLKO przycisk zasilania.

7. Trzymaj przycisk Home przez 5 sekund.

8. Once you noticed your screen is staying black without seeing the Apple logo, you have successfully done it!

On your Mac or Windows computer, a screen should pop up indicating that it has detected a device in DFU Mode. (It may say “recovery mode” - but as long as the screen is black you are officially in DFU Mode).

* Ten proces może potrwać kilka prób powodzenia. Czas jest ważny, dlatego zalecane jest prawidłowe liczenie lub licznik czasu.

Dfu w 3 krokach

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Part 3: Alternative Method to Enter DFU Mode (All iOS devices)

The alternative method on how to get into DFU Mode is through the use of a third party software. This is usually required in cases where your Home Button, Power Button or both are not functional. It is a long and complex process but may serve as a last-ditch attempt.We shall provide you the steps here:
1. Create a folder, either on your desktop or anywhere available, and name it Redsn0w.

2. Find and download the latest version of Redsn0w. Usually found in the Downloads folder after it has completed downloading.

3. Find and download the latest iOS firmware for your iOS device. Put it someplace where it can be easily found.
*Note that firmware can vary between iOS devices so download the one appropriate to what you have and the desired version (if you are downgrading or staying updated). Take note that the file extension is (.ipsw).

4. Run and extract the Redsn0w zip file into the Redsn0w folder you have created.

5. Launch the application (.exe). You may need to click on ‘Run as an Administrator’ to confirm.

6. On the interface, click on the ‘Extras’ button.

Napraw błąd USB w telefonie iPhone

7. Next, click on the ‘DFU IPSW’ button.

8. The program will ask you to select an IPSW file - this is the firmware you downloaded awhile ago.

9. Allow the process to run and confirm with the ‘OK’ button once it has finished. The result of the created file should start with ENTER_DFU_.

10. Launch iTunes. Be aware that the version should also be up-to-date.

11. Select your iOS device when it appears under the Device tab.
*Note that this would be a good time to back up your files with the iTunes interface open.

12. Click on the Summary tab.

For Mac: Hold down the Option key and click on Restore.

For Windows: Hold down the Alt key or Shift key and click on Restore.

13. Select the IPSW file that was created. It should start with ENTER_DFU_.

14. Allow the process to run. The result will be a black screen on your iOS device. You have now successfully entered the DFU Mode!


Problems That May Occur Using DFU Mode

While DFU Mode is a feature that can save your iOS device with good success - more than common fixes and Recovery Mode - it can also run into a few hiccups that may worsen things. Here are the of the problems that may occur with improper use.

Problem 1: Damage Leading to More Damage

It has been noted that a damaged iOS device, especially if the inner components were affected or worse yet - through water - can prevent the mode from even completing. So it is highly advised to check for any damages that may hinder a successful recovery.As stated before, the iPhone 7 and 7 Plus are deemed as waterproof. The only thing is even waterproof products have their limits. Keeping your iOS device away from physical damage and water are your best bets.

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Problem 2: iOS Device Stuck in a Loop

There are also times when the device will be stuck in DFU Mode, a very undesirable issue. It has been reported that occurrences like these may arise when trying to jailbreak your iOS device. There are ways to get out of it, but we at FoneDog will save you the long process and headache - more into this later.

Iphone Jailbroken

Problem 3: The Worst Nightmare

Your phone could have the potential to be ‘bricked’. This is the utmost worst nightmare for cellphone users alike. This is when your cell phone will not turn on no matter what you try to do it. It basically means one thing, your iPhone becomes an expensive, fancy paperweight!

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Część 4: Jak wyjść z trybu DFU

All you need to do is to first disconnect your iOS device then press and hold down the Power Button and Home Button for 10 seconds.Alternatively, for the iPhone 7 and iPhone 7 Plus it would be the Volume Down button instead of the Home Button. The same thing applies for an iOS device which entered DFU Mode through the alternative method.The Apple logo should appear as an indicator that it is booting up again and successfully exiting out of DFU Mode.

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Part 5: Solution: Using FoneDog toolkit - iOS System Recovery - Making the Process Easier

Now you know how to get into DFU Mode, how to get out of it and potentially use it. Being aware of the problems that can arise if things go awry, wouldn’t it be best to avoid the hassle and risks altogether?

To tutaj FoneDog - Odzyskiwanie systemu iOS becomes a total no-brainer to use. Here are the steps:

1. Plug in your iOS device to the computer via USB cable.

2. Launch FoneDog and click on ‘Odzyskiwanie systemu

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3. Click ‘Start’.

4.Your iOS device will be automatically detected and updated by clicking on ‘Download Now’.

5. Recovery will begin immediately.

6. Skończone!

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As you can see, with FoneDog all the work is done for you. You would not need to go through the long processes anymore, especially the alternative method.It does everything from a complete system recovery to getting your precious data back to fixing those annoying restarts. All you need is a computer or a laptop.You can be assured that all your data will be 100% restored. Never again would you need to worry about losing your precious photos and videos, important notes and dates as well as contacts. It would be a hassle to re-install large applications and reconnect with people just to inform them that your cell phone went haywire - or worse yet, your boss!Most importantly, you never again would have to bring your iOS device to a repair shop where your data may potentially be at risk from prying eyes as well as having to pay huge fees. Your data is only accessible by you and you alone.Our program even saves your phone from being stuck in Recovery Mode and even DFU Mode. A bit ironic isn’t it? Anything that either Recovery Mode or DFU Mode can do, FoneDog - iOS System Recovery does better!

Przewodnik wideo: jak rozwiązać różne problemy z systemem iOS

After using FoneDog - iOS System Recovery your iOS device is ready to go but it does not just end there.If you have forgotten to backup your data, worry not because of the FoneDog - iOS Data Recovery has you covered. As easy as all of our software, it is always good to have a one-stop program that does everything efficiently for you.So give our products as shot with a free trial to start off. With our user-friendly interface, immediately you will see what it is capable of and why it is well loved and received amongst our satisfied customers. We stand proudly by our product and so will you. Go on and give it a try. It is as easy as 1, 2, 3!

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obraz autora

Nathan E. Malpass

Ekspert ds. konserwacji urządzeń iPhone / Android

Pozostanie w domu, słuchanie muzyki, pisanie artykułów technicznych

Wiele osób poprosiło mnie o naprawę swoich telefonów komórkowych, więc mam duże doświadczenie w naprawie telefonów komórkowych i wiem dużo o telefonach z Androidem lub Apple.

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