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checkn1x-1.0.6-amd64.iso is a lightweight, Linux-based live image designed to facilitate the checkra1n jailbreak on Windows-based PCs. Since the official checkra1n tool was primarily developed for macOS and Linux, checkn1x serves as a "live USB" solution, allowing users to boot into a minimal environment that runs the jailbreak without needing a full Linux installation. Core Technical Details
Purpose: Bootable ISO to run the checkra1n jailbreak tool on x86_64 (64-bit) architecture.
Version Context: 1.0.6 is an older version that typically bundles checkra1n 0.10.2, which supports jailbreaking iOS versions from 12.0 up to 13.5.
Size: Extremely small, usually ranging from 20MB to 100MB depending on the specific build, making it faster to boot than larger distributions like bootra1n.
Mechanism: It leverages the checkm8 bootrom exploit, which is a hardware-level vulnerability in Apple's A7 through A11 chips. How to Use the ISO
A Deep Dive into checkn1x-1.0.6-amd64.iso: The Go-To Tool for iOS Jailbreaking
For the iOS modding community, the release of checkra1n changed everything. It transformed a hardware-level vulnerability into a usable reality. However, for years, Windows users were left in the cold because checkra1n was built natively for macOS and Linux. Enter checkn1x-1.0.6-amd64.iso—the lightweight, "burn and boot" solution that bridged the gap.
If you’re looking to liberate your iPhone or iPad from Apple's software restrictions using a Windows PC, this specific ISO file is likely exactly what you need. Here is everything you need to know about it. What is checkn1x-1.0.6-amd64.iso?
At its core, checkn1x is a "live" Linux distribution. It is not an operating system you install on your hard drive; rather, it’s a tiny (usually under 50MB) environment designed to do one thing: run the checkra1n jailbreak. The version 1.0.6-amd64 refers to: 1.0.6: The specific build version of the checkn1x wrapper.
amd64: The architecture, meaning it is designed for 64-bit Intel or AMD processors (most modern PCs). Why Use checkn1x?
Windows Compatibility: Since checkra1n doesn’t run directly on Windows, checkn1x allows you to boot your PC into a temporary Linux state to run the exploit, then reboot back into Windows like nothing happened.
Stability: Unlike "virtual machine" methods (which often fail because they can’t maintain a stable USB connection during the DFU transition), checkn1x runs on bare metal, ensuring a much higher success rate.
Speed: Because it doesn’t have a GUI or unnecessary background services, it boots in seconds and operates with minimal lag. The Power of checkm8
The reason this ISO is so effective is that it utilizes the checkm8 exploit. This is a "bootrom" exploit, meaning the vulnerability exists in the hardware's read-only memory. Because it’s hardware-based, Apple cannot patch it with a software update. This makes checkn1x a permanent solution for supported devices. Supported Devices: iPhone 5s through iPhone X. Various iPad models (A7 to A11 chips).
iOS versions ranging from 12.0 up to 14.x (and beyond with specific "skip A11 BPR check" settings). How to Use checkn1x-1.0.6-amd64.iso
Getting started is straightforward, but it does require a USB flash drive.
Download: Obtain the checkn1x-1.0.6-amd64.iso from a trusted source (usually GitHub).
Flash: Use a tool like Rufus or BalenaEtcher to "burn" the ISO onto a USB drive. Note: This will erase all data on the USB.
Boot: Restart your PC and enter your BIOS/Boot Menu (usually by tapping F12, F11, or Esc). Select your USB drive.
Jailbreak: Once the simple interface loads, connect your iPhone via a USB-A to Lightning cable (USB-C cables are notoriously finicky with DFU mode). Follow the on-screen instructions to put your device into DFU mode.
Finish: Once the process says "All Done," your device will reboot with the checkra1n loader installed. Essential Tips for Success
The A11 Warning: If you are using an iPhone 8, 8 Plus, or X on iOS 14, you must go into "Options" in the checkn1x menu and enable "Skip A11 BPR check." You will also need to disable your passcode/FaceID on the device for the jailbreak to work.
USB Ports: Always prefer a USB 2.0 port if available. High-speed USB 3.0/3.1 ports can sometimes interrupt the exploit timing.
Cables Matter: Genuine Apple USB-A cables are the gold standard here. Final Thoughts
The checkn1x-1.0.6-amd64.iso remains a vital tool for enthusiasts. It’s a testament to the community's ingenuity—taking a complex Linux-based exploit and shrinking it down into a tiny, portable file that anyone with a thumb drive can use.
checkn1x-1.0.6-amd64.iso is a lightweight, Linux-based "jailbreak-on-a-USB" tool specifically designed to run the jailbreak on Windows-based PCs. Because the official checkra1n tool
is only available for macOS and Linux, Windows users typically use this ISO to create a bootable environment that bypasses the need for a full Linux installation. Core Functionality : It provides a pre-configured environment to execute the
bootrom exploit, which is a permanent hardware-level vulnerability in Apple devices. Device Compatibility : Supports devices with A7 to A11 chips , including: iPhone 5s through iPhone X. Corresponding iPad and iPod Touch models. iOS Support : Broadly compatible with iOS 12.0 up to iOS 14.8 The Apple Wiki Performance and UX Efficiency
: The ISO is extremely small (usually under 50MB) because it only contains the bare essentials (a minimal Linux kernel and the checkra1n binary). : Version 1.0.6 is considered highly stable for the
architecture, resolving many "Error -31" or "Error -20" issues found in older iterations when used on modern PC hardware. Ease of Use : You simply flash it to a USB drive using a tool like BalenaEtcher
, boot from the USB, and follow the on-screen instructions to enter DFU mode. Critical Limitations & Risks Semi-Tethered Nature
: If your device reboots, you must plug it back into the PC and run checkn1x again to reactivate the jailbreak. Hardware Barrier
: It cannot jailbreak devices newer than the iPhone X (e.g., iPhone 11, 12, or 13) because those chips are not vulnerable to the Passcode Issue (A11 Devices) : On the iPhone 8, 8 Plus, and X running iOS 14, you must disable your passcode and FaceID/TouchID
to use this jailbreak, which significantly compromises device security. The Apple Wiki to a USB drive and boot from it? Checkra1n - The Apple Wiki checkn1x-1.0.6-amd64.iso
CheckN1x-1.0.6-amd64.iso Feature Overview
Introduction
CheckN1x-1.0.6-amd64.iso is an ISO image of a Linux distribution designed for network auditing and penetration testing. This document highlights a key feature of this ISO image.
Feature: Automated Network Scanning and Discovery
One of the primary features of CheckN1x-1.0.6-amd64.iso is its ability to perform automated network scanning and discovery. This feature allows users to quickly identify active hosts on a network, open ports, and services running on those hosts.
Key Components:
- Nmap Integration: The ISO image comes with Nmap, a popular network scanning tool, pre-installed and configured for easy use.
- Network Discovery: The distribution includes tools for network discovery, such as
netdiscoverandarp-scan, which enable users to identify active hosts on the network. - Port Scanning: Users can perform port scans to identify open ports and services running on those ports.
Benefits:
- Quick Network Assessment: The automated network scanning and discovery feature allows users to quickly assess the network and identify potential targets for further analysis.
- Reduced Manual Effort: The feature automates many of the manual tasks associated with network scanning and discovery, saving users time and effort.
- Comprehensive Results: The feature provides comprehensive results, including active hosts, open ports, and services running on those ports, giving users a detailed understanding of the network.
Example Use Case:
Suppose a network administrator wants to perform a vulnerability assessment on a network. They can use CheckN1x-1.0.6-amd64.iso to boot a system and automatically scan the network for active hosts, open ports, and services. The results can then be used to identify potential vulnerabilities and prioritize further analysis.
Code Snippet (Nmap Command):
To perform a simple network scan using Nmap, users can run the following command:
nmap -sS -T4 -O -F <target_IP>
This command performs a TCP SYN scan (-sS) with a timing template of 4 (-T4), enables OS detection (-O), and limits the scan to the top 100 ports (-F) against the specified target IP address.
This feature demonstrates the power and flexibility of CheckN1x-1.0.6-amd64.iso for network auditing and penetration testing tasks.
is a lightweight, Linux-based ISO designed specifically to run the checkra1n jailbreak
on Windows or Linux PCs. The 1.0.6 version is a specialized 64-bit image built to bypass the limitations of running macOS-only tools on other operating systems. Provides a minimal environment to execute the exploit on compatible iOS devices (A7–A11 chips). Architecture: (Standard 64-bit Intel/AMD processors). Key Feature:
It fits on a small USB drive (roughly 50MB) and boots directly into the checkra1n interface, removing the need for a full Linux installation. How to Use checkn1x-1.0.6 Prepare the Media: Download the ISO file and a flashing tool like balenaEtcher In Rufus, ensure you select "Write in DD Image Mode" when prompted to ensure the drive boots correctly. Boot the PC: Insert the USB drive into your computer and restart.
Enter your BIOS/Boot Menu (usually F12, F11, or Esc) and select the as the boot device. Run the Jailbreak: Once loaded, you will see the checkra1n interface.
Connect your iOS device via a USB-A cable (USB-C often fails with this exploit). Follow the on-screen prompts to put your device into and apply the jailbreak. Compatibility iPhone 5s through iPhone X (A7 to A11 chips). Supports iOS 12.0 up to iOS 14.8.1.
Note: For iOS 15 and newer, checkra1n is generally replaced by or semi-untethered tools like Troubleshooting Tips Secure Boot:
Disable "Secure Boot" in your BIOS settings if the USB fails to launch.
If the device isn't recognized during the exploit, try a different USB port, preferably a USB 2.0 port. AMD Users:
Some older versions of checkra1n had issues with AMD CPUs; however, the
build of checkn1x is designed to mitigate these compatibility hurdles. for the flashing tools or a guide for iOS 15+ devices Jailbreaking Apps For iOS - Digital.ai
The release of checkn1x-1.0.6-amd64.iso represents a significant milestone in the intersection of mobile security research and open-source utility. As a lightweight, Linux-based "Live CD" environment, its primary purpose is to facilitate the execution of the checkra1n jailbreak on compatible iOS devices. By stripping away the overhead of a full operating system, version 1.0.6 offers a streamlined, portable solution for users who lack access to macOS or a permanent Linux installation.
The technical brilliance of checkn1x lies in its minimalism. Based on Alpine Linux, the ISO is remarkably small, often fitting on a modest USB drive. This efficiency is critical because the underlying exploit, checkm8, operates at the bootrom level. Since this vulnerability is unpatchable by software updates, checkn1x provides a reliable, "clean-slate" environment to trigger the exploit via DFU mode without the driver interference often found in bloated operating systems.
From a broader perspective, checkn1x democratizes device ownership and security auditing. While Apple’s "walled garden" provides a secure ecosystem, it also limits a user’s ability to inspect their own hardware or repurpose older devices. By providing a stable platform for the checkra1n tool, checkn1x enables researchers to probe the iOS kernel and allows enthusiasts to extend the lifecycle of their hardware through custom tweaks and optimizations.
However, the power of checkn1x comes with a caveat of responsibility. Because the tool grants root access to the filesystem, it bypasses standard security protocols. While this is a boon for customization, it emphasizes the importance of user education regarding device security. In conclusion, checkn1x-1.0.6-amd64.iso is more than just a utility; it is a testament to the community's commitment to hardware freedom, offering a bridge between complex low-level exploits and the everyday user.
Are you planning to use this ISO for security research or to repurpose an older device?
Here’s a draft review for checkn1x-1.0.6-amd64.iso written from a technical user’s perspective. You can adjust the tone (casual, professional, or beginner-friendly) as needed.
Title: Lightweight and reliable – Does exactly what it promises
Rating: ⭐⭐⭐⭐☆ (4/5)
Review:
Checkn1x has carved out a niche for itself in the jailbreaking community, and version 1.0.6 is no exception. This minimal Linux-based ISO (around 300–400 MB) is designed to run checkm8-based exploits (like checkra1n) on compatible iOS devices.
What works well:
- Fast boot time – Loads straight into a terminal/CLI environment in seconds. No unnecessary GUI clutter.
- Plug-and-play – Works out of the box for most USB-A and USB-C ports. Detects devices quickly (iPhone X and older, some iPads).
- Reliable checkra1n integration – Includes a stable build of checkra1n 0.12.x (varies by release). No internet required after download.
- Lightweight – Runs on almost any x86-64 machine, including old netbooks or live USB sticks.
Issues / Caveats:
- No password – By design, you’re dropped directly into a root shell. That’s fine for a live USB tool, but don’t run this on a system with sensitive data.
- No persistence – Changes aren’t saved by default. Every boot is a clean slate.
- Limited device support – Only A11 chips and older (iPhone X and prior). No iPad Pro (2018+) or newer iPhones.
- CLI only – Not beginner-friendly if you’re unfamiliar with basic Linux commands or the checkra1n syntax.
Who this is for:
Technically inclined users who need a dedicated, disposable environment to jailbreak older iOS devices. Great for repair shops or advanced enthusiasts.
Who should avoid:
Casual users expecting a graphical interface or one-click solution. Also avoid if your device is unsupported (A12+).
Bottom line:
Checkn1x 1.0.6 is a focused, no-nonsense tool that does one thing well. It’s not pretty, but it’s dependable. If you know what checkm8 is, you’ll appreciate this ISO.
Checkn1x is a lightweight, Linux-based "Live USB" environment designed to run the checkra1n jailbreak on Windows-based PCs. The checkn1x-1.0.6-amd64.iso version specifically bundles checkra1n 0.10.2, providing a way to jailbreak older iOS devices without needing a Mac. 🛠️ Requirements Hardware: An Intel or AMD 64-bit PC. USB Drive: At least 256MB capacity. Compatible Device: iPhone 5s through iPhone X. Supported Software: iOS 12.0 up to iOS 14.8.1. 🚀 Step-by-Step Guide 1. Prepare the Bootable USB Checkn1x-1.0.6-amd64.iso
Since you mentioned it as an "interesting guide," I have compiled an overview of what this tool is, why it is useful, and a guide on how to use it safely.
Closing Thought
The checkn1x tool embodies the original hacker ethos: small, powerful, and permanent. In an age of cloud subscriptions and restricted ecosystems, a 60 MB ISO file that can liberate your hardware is a radical act of digital independence. Keep a copy on a dusty USB drive in your drawer. One day, when Apple declares your iPhone X "obsolete," checkn1x-1.0.6 will be there to give it new life.
Disclaimer: This article is for educational purposes. The author is not responsible for any damage to devices or loss of data. Always back up your iPhone before attempting a jailbreak.
The checkn1x-1.0.6-amd64.iso is a specialized, lightweight Linux-based bootable image designed specifically to run the checkra1n jailbreak on Windows or Linux PCs .
Because the original checkra1n tool was built for macOS, this "live" environment allows PC users to boot into a minimal operating system to bypass the lack of a native Windows application . Core Functionality
The Exploit: It utilizes the checkm8 bootrom exploit, which is unpatchable by Apple because it exists in the hardware (Read-Only Memory) .
Jailbreak Type: It provides a semi-tethered jailbreak. This means if your device restarts, you must boot back into the checkn1x environment on your PC to re-enable the jailbreak .
ISO Contents: The 1.0.6 version typically bundles checkra1n 0.12.x, which improved support for newer iOS versions and fixed various USB handling bugs . Device & Software Support Compatibility Details Supported Devices iPhone 5s through iPhone X (A7 to A11 chips) . iOS Versions Primarily supports iOS 12.0 up to iOS 14.8.1 . PC Hardware
Requires a 64-bit (amd64) processor and a USB flash drive for booting . How to Use It
Flash the ISO: Use a tool like BalenaEtcher or Rufus to write the ISO file to a USB drive.
Boot from USB: Restart your PC and enter the BIOS/Boot Menu to select the USB drive.
Run Jailbreak: Once the checkn1x interface loads, connect your iPhone/iPad and follow the on-screen instructions to enter DFU Mode (Device Firmware Upgrade).
Completion: The tool will automate the exploit process, and your device will reboot into a jailbroken state. Important Risks
Security: Jailbreaking removes Apple's security "sandbox," potentially making the device more vulnerable to malware .
Passcode/TouchID: For A11 devices (iPhone 8/8 Plus/X) on iOS 14, using this jailbreak typically requires disabling the passcode, TouchID, and FaceID due to SEP (Secure Enclave Processor) restrictions .
Reversibility: You can reverse the jailbreak by performing a factory restore through iTunes/Finder . If you'd like, let me know: What model of iPhone or iPad are you using? Which iOS version is currently installed?
The checkn1x-1.0.6-amd64.iso is a highly efficient, lightweight Linux-based bootable image specifically designed for Windows users to jailbreak iOS devices using the checkra1n tool. It serves as a critical bridge for those without access to a Mac, providing a stable environment to execute the hardware-level checkm8 exploit. Key Features of Version 1.0.6
Here is the breakdown of that specific file and its context:
What it is:
- File Name:
checkn1x-1.0.6-amd64.iso - OS Type: Linux (based on Alpine Linux).
- Architecture: amd64 (64-bit x86 processors).
- Purpose: It is a lightweight live operating system used to run checkra1n on a PC without needing a full Linux installation. It allows users to jailbreak iOS devices (iPhone 5s through iPhone X) by booting directly from a USB drive.
The "1.0.6" Version: This version is somewhat dated in the context of the checkra1n tool. The checkra1n team has released newer versions (currently in the 0.12.x beta series) that support newer iOS versions (up to iOS 14.x/15.x depending on the device).
If you are looking for the "Proper Piece" (File Integrity): If you are verifying the file to ensure it hasn't been tampered with, you should check its checksum. However, official checksums for older ISOs are sometimes difficult to locate on the official site as newer versions replace them. Generally, you should only download this file from the official checkra1n website to ensure safety.
Recommendation: If you are planning to jailbreak a device today, it is generally recommended to use the latest version of the checkn1x ISO (or the checkra1n binary directly on macOS/Windows/Linux) to ensure the best compatibility with recent iOS versions.
Checkn1x 1.0.6 is a lightweight, Linux-based bootable ISO designed to run the checkra1n jailbreak on Windows-based PCs.
It allows users to bypass the lack of a native Windows version of checkra1n by booting into a minimal environment specifically tailored for the exploit.
Below is an overview of the tool, its technical foundation, and its role in the iOS jailbreaking community. 1. Overview and Core Functionality
Checkn1x is a "distro" (distribution) of Linux built with one goal: to run the jailbreak tool on x86_64 (AMD64) hardware. Version 1.0.6 : This specific version typically bundles checkra1n 0.11.0 , which introduced support for iOS 14.x on certain devices. The checkm8 Exploit
: The underlying vulnerability it utilizes is "checkm8," a permanent, unpatchable hardware exploit in Apple's bootrom for A5 through A11 chips (iPhone 4S through iPhone X). 2. Technical Specifications
The ISO image is designed for maximum compatibility and minimal footprint. Architecture
(64-bit), compatible with most modern Intel and AMD processors. checkn1x-1
: Typically under 50MB, as it contains only the bare essentials needed to boot a kernel and run the checkra1n binary. Environment
: It runs entirely in RAM. Once the computer is rebooted and the USB is removed, no changes remain on the host PC's hard drive. 3. Usage and Implementation
Since checkra1n does not have a native Windows executable, checkn1x serves as the primary workaround for Windows users. Standard Deployment Workflow: file is flashed to a USB drive using tools like BalenaEtcher : When using Rufus, users must select "Write in DD Image mode" to ensure the bootable structure is preserved correctly.
: The PC is restarted and set to boot from the USB via the BIOS/UEFI menu.
: Once the minimal Linux environment loads, the checkra1n interface appears, allowing the user to put their iOS device into DFU (Device Firmware Update) mode and apply the jailbreak. 4. Community Significance
Before the widespread adoption of tools like checkn1x, Windows users often had to set up complex virtual machines or dual-boot MacOS (Hackintosh), which were prone to USB passthrough errors. Checkn1x simplified the process into a "plug-and-play" solution that is stable and efficient. 5. Safety and Security Considerations Source Integrity
: Users are advised to download checkn1x from reputable community sources (like the official GitHub repository ) to avoid modified versions containing malware. Device Risk
: While the exploit is stable, jailbreaking can lead to security risks by disabling certain system protections. It is primarily used by developers, security researchers, and enthusiasts. For more technical discussions and updates, the Jailbreak Subreddit is the primary hub for checkn1x community support. [Update] checkn1x 1.0.5 - shipping with checkra1n 0.10.2
checkn1x-1.0.6-amd64.iso is a lightweight, Linux-based bootable ISO designed to run the checkra1n jailbreak on Windows and Linux PCs. It allows users to jailbreak compatible iPhone, iPad, and iPod touch models without needing a Mac. Key Features
Purpose: Provides a "live" environment to execute the checkra1n jailbreak, which is based on the checkm8 hardware exploit.
Version 1.0.6: Typically includes checkra1n 0.12.3, which supports iOS versions up to iOS 14.5 and includes bug fixes for various devices.
Compatibility: It targets 64-bit (amd64) processors and is widely used because it bypasses the need for a full Linux installation or a macOS machine. How to Use It
Flash the ISO: Use a tool like balenaEtcher or Rufus to burn the checkn1x-1.0.6-amd64.iso onto a USB flash drive.
Boot from USB: Restart your PC and enter the boot menu (usually via F12, F11, or Esc) to select the USB drive.
Run Jailbreak: Once the checkn1x interface loads, connect your iOS device via a USB-A to Lightning cable (USB-C cables often fail with this exploit) and follow the on-screen instructions to enter DFU mode. Important Considerations
Supported Devices: Works on A7 through A11 chips (iPhone 5s through iPhone X).
A11 Devices (iPhone 8/8+/X): On iOS 14, you must skip A11 BPR check in options, which means you cannot use a passcode, Touch ID, or Face ID while jailbroken.
Safety: Always download ISO files from reputable community sources like GitHub or official checkn1x mirrors to avoid malware.
Checkn1x-1.0.6-amd64.iso is a specialized, ultra-lightweight Linux distribution designed for one primary purpose: jailbreaking iOS devices using the
tool. It is essentially a "live" operating system that you boot from a USB drive, allowing Windows users (who can't run checkra1n natively) to access the exploit.
The Verdict: 4.5/5 – The "Gold Standard" for Windows Users
If you have a Windows PC and an older iPhone (5s through X), this ISO is practically mandatory. It bypasses the need for a full Linux installation or a Mac, making the checkm8 exploit accessible to almost everyone. Key Highlights Insane Portability:
The ISO is tiny (often under 50MB), meaning it flashes to a USB drive in seconds using tools like Hardware Compatibility:
version is optimized for modern 64-bit Intel and AMD processors. Version 1.0.6 specifically includes fixes for Surface devices and improved driver support for various keyboards and trackpads. The "Clean" Experience:
It doesn't touch your hard drive. Once you're done jailbreaking and unplug the USB, your computer returns to Windows as if nothing happened. Reliability:
Unlike "checkra1n for Windows" clones which are often buggy or malicious, Checkn1x is a transparent, open-source project built on a minimal Linux kernel. Performance & Compatibility Device Range: iPhone 5s through iPhone X iOS Versions: Highly reliable for iOS 12.0 through 14.8.1
. While newer versions of iOS exist, Checkn1x remains the most stable way to trigger the hardware-level checkm8 exploit. Ease of Use:
Upon booting, it immediately launches the checkra1n interface. You simply connect your phone, enter DFU mode, and let it run. Considerations Secure Boot: must disable Secure Boot in your BIOS settings to allow the USB to start. A11 Devices (iPhone 8/X):
On iOS 14+, you often have to skip "A11 BPR check" in the options, which means you cannot use a passcode or FaceID while jailbroken. Semi-Tethered:
Remember that this is a semi-tethered jailbreak. If your phone reboots, you’ll need to plug it back into your Checkn1x USB to re-enable the jailbreak. How to Use It Download the checkn1x-1.0.6-amd64.iso Flash it to a USB drive using DD Image Mode Restart your PC and boot from the USB.
Where to Download
Do not search for "checkn1x-1.0.6-amd64.iso download" on random forums. Always use the official GitHub repository of the checkn1x maintainer (the project is a fork of the original checkra1n Linux build). As of this writing, the legitimate source is checkn1x GitHub releases.
Step 3: Prepare Your iPhone
- Back up your device (jailbreaking is safe, but user error can cause data loss).
- Disable the passcode (Settings > Face ID & Passcode > Turn Passcode Off). This is mandatory for A11 devices and recommended for all.
- Connect your iPhone to the PC via a genuine or high-quality MFi certified USB cable.
Troubleshooting Common Issues with 1.0.6
Even with version 1.0.6, users encounter specific problems. Here is the fix matrix.
| Issue | Solution | | :--- | :--- | | Stuck at "Right before trigger (this is the bug)" | This is a USB timing issue. Unplug the iPhone, plug it back in, and restart the checkra1n process. Try a different USB port (USB 2.0 ports are more reliable than USB 3.0). | | Error code: -31 | Your iPhone’s passcode is still on. Turn it off completely in iOS settings. | | Error code: -20 | The checkm8 exploit failed. Re-enter DFU mode manually. On iPhone 7/7+, DFU timing is very strict. | | Boot loop after jailbreak | Boot your iPhone into recovery mode and restore using iTunes/Finder. Then re-attempt the jailbreak with checkn1x-1.0.6 without installing any tweaks first. | | Keyboard doesn’t work in checkra1n GUI | connect a USB keyboard. Laptop keyboards sometimes fail in the Linux framebuffer. | Nmap Integration : The ISO image comes with