Checkm8 Jailbreak Exploit

Last Updated: 2019-11-13

Checkm8 jailbreak is the introduction of latest trend of jailbreak. This jailbreak does not depends on the iOS version. Basically it is an unpatchable jailbreak tool which does not depends on any other third party factor.

checkm8 jailbreak logo

What is Checkm8 Jailbreak?

Checkm8 Jailbreak is a technology that booting up in verbose mode. So the modifications will be done to the core of the system.

Simply, there will be a jailbreak for the hardware system, not for the software system. So this will be a one time jailbreak, which will be unpatchable by any iOS update. So it will be a permanent jailbreak.

For now checkm8 jailbreak will be supported from iPhone 4s - iPhone X. Latest iPhones (iPhone 11 , iPhone 11 Pro , iPhone 11 Pro Max) are still not supported by Checkm8 jailbreak.
Checkra1n jailbreak is the jailbreak tool developed by checkm8 jailbreak exploit. Developer axi0mx and his team including ih8sn0w, jonseals, pshycotea, qwertyoruiop, nullpixel, xerub, siguza, and others has developed this Checkra1n jailbreak tool.

This checkm8 jailbreak is based on bootrom exploit and it allows you to customize firmware on your phone, any OS (Android or Linux on an iPhone), and it allows you to jailbreak any iPhone from the iPhone 5 to the iPhone X. The best part is this does not depends on the iOS versions and literally you may jailbreak any iOS version.

Advantages of Checkm8 Jailbreak and Checkra1n Jailbreak

  1. Cannot patched by any iOS update
  2. Once jailbroken it will last until user unjailbreak it
  3. Tap on unc0ver Jailbreak
  4. Can use for any iOS version (stated by developers)
  5. Latest coming versions also will be compatible with the jailbreak
  6. Will be a tethered jailbreak

Release date of checkm8 jailbreak exploit with checkra1n jailbreak

Checkm8 public jailbreak tool has been released only for Mac devices. This tool is based on checkm8 exploit and released as checkra1n jailbreak tool in beta .






Device compatibility of Checkm8 jailbreak

  • iPhone 4S, iPhone 5, iPhone 5C, iPhone 5S, iPhone 6 & iPhone 6 Plus, iPhone 6S & iPhone 6S Plus, iPhone SE, iPhone 7 & iPhone 7 Plus, iPhone 8 & iPhone 8 Plus, iPhone X

  • iPad 2, iPad Mini, iPad Mini 2, iPad Mini 3, iPad Mini 4, iPad Air, iPad Air 2, iPad 5 (2017), iPad Pro (12.9 in), iPad Pro (9.7 in), iPad Pro (10.5 in), iPad Pro (12.9 in), iPad 6G, iPad 7G

  • Not support with iPhone XS, iPhone XR, iPhone XS Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro MAX.
Summary: A5 - A11 devices will be supported for now.

iOS version compatibility Checkm8 Jailbreak

No boundaries are set for iOS versions. For now they have demoed the jailbreak with iOS 13.2.2 as well as iOS 13.1.1.
Summary: Any iOS version is compatible

Checkm8 jailbreak exploit has been first introduced by axi0mX. He was the main character for this whole new level of jailbreak. He has stated this as a permanent unpatchable bootrom exploit for hundreds of millions of iOS devices.

Checkm8 jailbreak intro


How to download Checkra1n jailbreak

Checkra1n jailbreak is still not released as as an online tool yet. TaigOne will bring it once they released any kind of a tool.

You may refer here to download checkra1n jailbreak based on checkm8 exploit.
But please be warned this is in beta stages and no warranty is provided. So you have to take the sole responsibility and the risk of installing the software.

If you want to know more about checkm8 jailbreak exploit with further technical background read here.





What is DFU mode

Your iPhone needs to be on DFU mode to activate checkm8 jailbreak exploit.
So let’s see what is this DFU mode and how to enter your iPhone in to DFU mode.

DFU stands for Device Firmware Update.
DFU mode is a state that you can put your iPhone into where it can interface with iTunes, but does not load the iPhone operating system or boot loader (this is what really differs DFU mode from the more simple recovery mode).

How to enter in to DFU mode - step guide

Apple TV
  1. Plug t he device into your computer using a Micro-USB cable.
  2. Force the device to reboot by holding down the "Menu" and "Down" buttons simultaneously for 6-7 seconds.
  3. Press "Menu" and "Play" simultaneously right after reboot, until a message pops up in iTunes, saying that it has detected an Apple TV in Recovery Mode.
A9 and older devices (iPad other than the ones listed below, iPhone 6s and below, iPhone SE and iPod touch 6 and below)
  1. Connect the device to a computer using a USB cable.
  2. Hold down both the Home button and Lock button.
  3. After 8 seconds, release the Lock button while continuing to hold down the Home button.
  4. If the Apple logo appears, the Lock button was held down for too long.
  5. Nothing will be displayed on the screen when the device is in DFU mode. If open, iTunes will alert you that a device was detected in recovery mode.
  6. If your device shows a screen telling you to connect the device to iTunes, retry these steps.
A10 devices (iPhone 7 and iPhone 7 Plus, iPad 2018, iPod touch 7)
  1. Connect the device to a computer using a USB cable.
  2. Hold down both the Side button and Volume Down button.
  3. After 8 seconds, release the Side button while continuing to hold down the Volume Down button.
  4. If the Apple logo appears, the Side button was held down for too long.
  5. Nothing will be displayed on the screen when the device is in DFU mode. If open, iTunes will alert you that a device was detected in recovery mode.
  6. If your device shows a screen telling you to connect the device to iTunes, retry these steps.
A11 and newer devices (iPhone 8 and above, iPad Pro 2018, iPad Air 2019, iPad Mini 2019)
  1. Connect the device to a computer using a USB cable.
  2. Quick-press the Volume Up button
  3. Quick-press the Volume Down button
  4. Hold down the Side button until the screen goes black, then hold down both the Side button and Volume Down button.
  5. After 5 seconds, release the Side button while continuing to hold down the Volume Down button.
  6. If the Apple logo appears, the Side button was held down for too long.
  7. Nothing will be displayed on the screen when the device is in DFU mode. If open, iTunes will alert you that a device was detected in recovery mode.
  8. If your device shows a screen telling you to connect the device to iTunes, retry these steps.

How to exit from DFU mode

This need a simple step. Just force restart your device like listed below.

  • For Apple TV, hold down the "Menu" and "Down" buttons on your remote until the Apple TV reboots.
  • For iPad, iPhone 6s and below, iPhone SE and iPod touch, hold the Home button and the Lock button until the device reboots.
  • For iPhone 7 and iPhone 7 Plus, hold down the Side button and Volume Down button until the device reboots.
  • For iPhone 8, iPhone 8 Plus, and iPhone X, quick-press the Volume Up button, then quick-press the Volume Down button, then hold down the Side button until the device reboots.
  • Checkm8 jailbreak features

    checkm8 jailbreak features
    • Jailbreak and downgrade iPhone 3GS (new bootrom) with alloc8 untethered bootrom exploit.
    • Pwned DFU Mode with steaks4uce exploit for S5L8720 devices.
    • Pwned DFU Mode with limera1n exploit for S5L8920/S5L8922 devices.
    • Pwned DFU Mode with SHAtter exploit for S5L8930 devices.
    • Dump SecureROM on S5L8920/S5L8922/S5L8930 devices.
    • Dump NOR on S5L8920 devices.
    • Flash NOR on S5L8920 devices.
    • Encrypt or decrypt hex data on a connected device in pwned DFU Mode using its GID or UID key.

    Dependencies for checkm8 jailbreak

    Checkm8 jailbreak tool is compatible with Mac and Linux. But virtual machines will not be supported as per the developers.

    Downgrade with Checkm8 jailbreak

    checkm8 jailbreak downgrade

    ipwndfu is an open-source jailbreaking tool for many iOS devices. It can be used to jailbreak and download without SHSH blobs.

    Features of ipwndfu

    • Jailbreak and downgrade iPhone 3GS (new bootrom) with alloc8 untethered bootrom exploit.
    • Pwned DFU Mode with steaks4uce exploit for S5L8720 devices.
    • Pwned DFU Mode with limera1n exploit for S5L8920/S5L8922 devices.
    • Dump SecureROM on S5L8920/S5L8922/S5L8930 devices.
    • Encrypt or decrypt hex data on a connected device in pwned DFU Mode using its GID or UID key.
    Please read here for a full guide of How to downgrade with ipwndfu.







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