Run checkm8 exploit iPwnDFU Mode on iOS 8/13.1.1 – How To


Axi0mX has officially launched the improved and feature packed checkm8 BootROM exploit last month. Follow this article to know how to run checkm8 exploit (iPwnDFU Mode) on iOS 8 till iOS 13.1.1. This will work for iPhone, iPad and iPOD touch.

What are the Advantages of running checkm8 exploit?

As checkm8 has been recently released ,the only major advantage that common users are going to gain is that they can downgrade legacy devices to iOS 10.3.3 with OTA (over the air) blobs.Apart from the downgrading option there is alot of stuff that you can dig that mainly includes:

  1.  Enable JTAG using demote device.
  2. DFU mode using USB exploit.
  3. While remaining in DFU mode you can send a file.
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Checkm8 exploit has support for A5 chip and above but currently not all models of iPhone, iPad and iPod touch are supported. Support for all models will surely be added in the coming updates.

It is recommended that you should try checkm8 exploit on a spare Apple device. In case you don’t have spare iOS device make sure that you have fully backed up your precious data. We are not responsible for any loss of data or any other error that may or may not corrupt your device.

Requirements for checkm8 exploit:

  • Supported iPhone, iPad or iPod touch.
  • Linux or Mac OS.
  • Supported data cable.


If you don’t know how to download and install checkm8 on iPhone,iPad and iPod then Follow the steps below to learn how to run checkm8 on iPhone, iPad or iPod touch:

Step-1:- Download checkm8 exploit using this link..
Step-2:-Unzip the downloaded file on your preferred location in your computer.

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Step-3:-Connect your device using lightening cable with your computer.
Step-4:-Now you have to enter you device in DFU mode on your device.If you don’t know how to get into DFU mode then follow below listed steps.

  For iPhone 7 and above:

If you are using iPhone 7 and want to enter your iPhone 7 in DFU mode then follow given steps.

  1. Press and hold power and volume down keys simultaneously until the screen gets off.
  2. Release the power key after 5 seconds but keep the volume down key pressed for another 10 seconds.
  3. When your screen should go black release the volume down key.

 For iPhone 6S, iPhone SE and below:

  1. Press and hold power and home keys simultaneously until the screen turns off.
  2. Release the power key after 5 seconds but keep home button pressed for another 10 seconds.
  3. Release the home button when your screen goes black.

If you are shown iTunes it means you have entered recovery mode instead of DFU mode. Repeat the above steps again carefully if you face this error.

Step-5:- Enter cd/[Location] in the command window by launching terminal or simply open (ipwndfu) file directly in the terminal.

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Step-6. After successfully opening the correct folder type in the following command.
./ipwndfu -p.

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Step-7. This will put your device in DFU mode.After successfully entering DFU mode you can now test and run checkm8 expolit according to your requirements.

That’s all fot today I hope you have susceefully How to run checkm8 exploit (iPwnDFU Mode) on iOS 8-13.1.1 .If you have any questions on this tutorial then feel free to ask down below in the comment section.


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