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[Quick Guide] Effective Ways To Fix Checkra1n Error 31


Jul 12, 2024 • Filed to: Remove Screen Lock • Proven solutions

Apple distinguishes itself as a leading smartphone manufacturer by implementing rigorous security protocols. These measures pose challenges for users seeking to jailbreak their iOS devices. Such actions grant users the capability to remove the restrictions enforced by Apple on their devices.

Serving as the primary tool for this purpose, Checkra1n emerges as a popular choice. Nevertheless, similar to any other tool, Checkra1n may face a range of issues, among which Checkra1n Error 31 is notably notorious. This guide aims to help you address Checkra1n Error 31. Moreover, it will introduce a powerful alternative to Checkra1n jailbreak iOS devices.

finding solutions to checkra1n error 31

Part 1. Figuring Out All Possible Reasons for Checkra1n Error 31

Understanding the reasons behind Checkra1n Windows Error 31 is essential in resolving this issue. The reason can relate to the software and hardware aspects of running Checkra1n. Here are some of the reasons why you are encountering Checkra1n error 31:

  1. Temporary Computer Issues: As Checkra1n is a computer-based tool, issues within your computer can cause the error code 31. These issues can be insufficient resources, compatibility issues, or temporary glitches.
  2. Mismatched Checkra1n Version: When jailbreaking an iOS device, you must use the right version of the tool. Using incompatible versions of Checkra1n can lead to issues such as error code 31.
  3. Issues with USB Connection: A major cause behind Checkra1n error 31is the unstable or faulty USB connections. If your device is not properly connected, it will lead to the failure of the jailbreak process.
  4. Device Compatibility Issues:Apple has introduced many measures to ensure that newer devices are hard to jailbreak. That's why if you use the latest iOS device, there is a high chance it is incompatible with Checkra1n.
  5. Security Software Interference:In rare cases, the security or antivirus software installed on your system can interfere with the working of Checkra1n. Similarly, the Windows firewall can sometimes flag Checkra1n as a virus, disturbing the jailbreaking process.

Part 2: [Top Fixes] Resolve Checkra1n Error 31 to Jailbreak iOS Device

Encountering errors like Checkra1n jailbreak Error 31 is a typical occurrence in the jailbreaking process. Fortunately, there's no cause for concern, as there are various solutions readily accessible to diagnose and address this particular error. Discussed below are the top 6 fixes to streamline your iOS jailbreaking process:

Fix 1. Wondershare Dr.Fone – Screen Unlock (iOS) Providing a Direct Jailbreaking Solution

While Checkra1n is widely employed for jailbreaking iOS devices, it has notable limitations. This is especially the case concerning compatibility with the latest iOS versions. Therefore, we recommend considering a dependable alternative like Wondershare Dr.Fone. It offers iOS users a user-friendly approach to conducting jailbreaks on their devices.

Working as a dependable companion for iPhone users, Dr.Fone simplifies the jailbreaking process. It especially benefits users grappling with iOS security locks, particularly iCloud activation locks. Notably, Dr.Fone stands out for its compatibility with the latest iOS 17 and iPhone 15 models.

Prominent Features of Wondershare Dr.Fone

  1. You can bypass all sorts of iOS screen locks, from passcodes to Face IDs.
  2. Besides unlocking iCloud Activation Lock, it is also an expert in removing SIM locksfrom the carriers.
  3. If you have forgotten your iTunes backup encryption password, Dr.Fone can remove it without causing data loss.

Steps To Bypass iCloud Activation Lock via Wondershare Dr.Fone

By combining Dr.Fone with the jailbreaking process, users can effectively bypass the iCloud Activation Lock. Detailed instructions are provided below to bypass the iCloud Activation Lock bypass using Dr.Fone:

  • Step 1. Commence the Procedure by Activating Dr.Fone
  • Start by downloading and opening the latest edition of Wondershare Dr.Fone. After completing this step, go to the "Toolbox" section within Dr.Fone and click "Screen Unlock." Choose "iOS" as your device type, and head to select the "iCloud Activation Lock Removal" option. Now, begin the procedure by selecting "Start" and ensure your device remains connected to the computer throughout this stage.

    proceed with icloud activation lock removal

    safe Downloadsafe & secure
  • Step 2. Jailbreak Your iOS Device
  • Now, proceed to check if your device is CDMA or GSM. A GSM device will remain the same after iCloud Activation Lock removal. On the other hand, a CDMA device will lose all cellular functionalities. After that, you need to tap "Unlock Now" and agree with the warning by tapping "Got it!" Afterward, you will need to jailbreak your device, for which follow these below-given steps:

    start activation lock unlock process

    1. On a computer with Windows 7 or higher, download checkn1x-amd64.iso and rufus.exe. Connect a USB with at least 2 GB storage to the computer. Next, open the Rufus file and choose "checkn1x-amd64.iso" by clicking "Select."

    boot device with checkn1x

    1. Now, click "Start," and on the pop-up window, choose "Write in DD Image Mode." Then, click "OK" and wait for the process of writing image data to complete. Once completed, tap "Close" and restart your computer with the USB plug-in.

    select dd image mode for writing

    1. Press the F12 or relative boot key to access the Boot Menu when the computer restarts. Within the “Boot Menu,” choose the USB and connect your iOS device to the computer. Now, use the arrow keys to move to the "Options" button and press Enter.

    navigate to options boot menu

    1. You must now move to the "Allow untested iOS/iPadOS/tvOS versions" option and hit "Enter." Follow it by moving to the "Skip All BPR Check" option and pressing "Enter" again. Afterward, move to the "Back" option and use "Enter" to return to the main screen.

    set required boot options

    1. Once back on the main screen, select "Start" to initiate jailbreaking. For CheckN1x to jailbreak your device, you need to put the device into DFU Mode. Now, tap "Next" to put your device into Recovery Mode.

    start jailbreaking device

    1. Once your device is in Recovery Mode, tap "Start" and follow the on-screen guidelines to put it into DFU Mode. When your device enters DFU Mode, Checkn1x will automatically jailbreak it. Finally, select "Finish" and remove the USB to complete the process.

    put device into recovery mode

  • Step 3. Complete the iOS Activation Lock Bypass Process
  • Removing the Activation Lock will start as soon as your device is jailbroken. You can follow the progress on the screen, and once it is complete, tap "Done" to conclude the process.

    icloud activation lock bypassed

    Fix 2. Try Restarting iOS or Computer Device

    Sometimes, temporary glitches or bugs within your iOS device or computer can cause the Checkra1n Error 31. The most effective and simple solution in this case is to restart your devices. This simple process removes all temporary glitches and resets all processes. Here is how you can restart your iOS device and computer:

    1. Windows PC

    Instructions. Click the "Start" button on your Windows PC from the bottom left corner. Here, tap the “Power” icon and select "Restart."

    restart windows pc

    2. MacBook

    Instructions. When using a Mac, click the “Apple” logo from the top left corner. Press "Restart" from the drop-down menu to reboot your Mac.

    restart macbook quickly

    3. iPhone/iPad

    Instructions. Press the "Side" and any "Volume" buttons to access the Power Slider screen. Now, move the slider to the right to turn off your device. After waiting some time, press the "Side" button to turn on your iOS device.

    switch off and restart iphone

    Fix 3. Download New Checkra1n Version

    Crucial for a successful jailbreak is carefully selecting the appropriate Checkra1n version. Compatibility varies across devices, making it essential to choose the version that suits your device. Error 31 issues are likely linked to the specific Checkra1n version in use. In such instances, the recommended solution is to experiment with alternative versions.

    checkra1n latest version

    Fix 4. Install iOS Firmware From iTunes and Retry Jailbreaking

    When encountering Checkra1n jailbreak, error 31 may be attributed to the iOS version on your device. In such cases, the optimal resolution involves reinstalling the iOS version through iTunes. Follow the steps below to personally choose the IPSW file and employ iTunes for the installation on your iOS device:

  • Step 1. Access the ipsw.me website using a web browser and download the compatible IPSW file for your iOS device. Before installing, ensure that the "Find My" service is disabled.
  • disable find my on iphone

  • Step 2. Connect the iOS device to the computer and wait for iTunes/Finder to detect it once all requirements are satisfied. For instance, if you have a Mac with the operating system before macOS Catalina, access the "Summary" tab by clicking the device icon within iTunes. While holding the "Shift" key on Windows or the "Option" key on Mac, click "Restore iPhone."
  • restore iphone via itunes

  • Step 3. You will be asked to select the IPSW file. Choose the file you downloaded and follow the on-screen instructions to complete the installation process. Once complete, re-try the jailbreaking and see if error 31 is resolved.
  • access file to complete installation process

    Fix 5. Consider Using Other Options in Checkra1n

    If the reason behind Checkra1n error 31 is the device incompatibility, Checkra1n provides an inbuilt way. When jailbreaking a device, Checkra1n allows you to select the "Untested versions" option. While employing this option, you can jailbreak the device with iOS versions still not tested for jailbreaking. Here is how you can select these options in an attempt to jailbreak your device:

    Instructions. To get a clean start, reboot your computer and iOS device and launch the Checkra1n app. Now, click the "Options" and select the "Untested Versions" and "Safe Mode" options. Then, try jailbreaking your device and see if error 31 is resolved.

    enable safe mode and untested versions

    Fix 6. Try a Special Method While Using Checkra1n

    At times, the solutions you are looking for can be found among the experiences of fellow users. We found a Reddit post in our search to find solutions to Checkra1n Error 31. In this post, a Reddit user explained a hack he had found to solve error 31 when jailbreaking using Checkra1n.

    Remember that this hack includes a specific Checkra1n version and experience that specific user. While you can emulate the experience, the results aren't guaranteed. Here is what that user tried for successful jailbreaking using Checkra1n:

  • Step 1. Download and install the Checkra1n version 0.10.2 beta on your computer. Now, connect your device to DFU Mode to the system. Initiate the jailbreaking process until the "Right before Trigger" option appears.
  • reach right before trigger screen

  • Step 2. The user suggests you unplug the cable and re-plug it after waiting for 5 to 7 seconds. According to the user, this action should do the trick. To get out of DFU Mode, press and hold both buttons (Home + Lock) for 10 seconds and go on to release the home button.
  • exit dfu mode iphone

    Bonus. Jailbreak iOS Using Mac: A Simple Guide To Refer To!

    Looking for a tool to jailbreak an iOS device on a Mac? Wondershare Dr.Fone has you covered there, as it also provides a comprehensive guide to jailbreaking an iOS device from Mac. You will need to download the Checkra1n tool and a USB cable to connect your device. Once you have both, use the following steps to jailbreak your device from Mac:

  • Step 1. Begin by downloading the .dmg file of Checkra1n and installing it within your Mac's applications. Now, link your iOS device to the Mac and go to Applications, click "Checkra1n," and access "Contents."
  • access checkra1n on mac

  • Step 2. Tap "macOS" and go to "Checkra1n_gui Terminal file" to detect the device. Now, move ahead by tapping "Start," you will be led to the screen with instructions for putting the device into DFU Mode.
  • use checkra1n to detect device

  • Step 3. Tap "Next," put your device into DFU Mode, and press "Start." Once the device is in DFU Mode, the jailbreaking process will commence. When it is complete, and your device is jailbroken, tap "Done" to conclude the process.
  • commence jailbreaking process


    In wrapping up this guide, those seeking to customize their iOS devices can turn to jailbreak. Checkra1n stands out as a favored option for this procedure, but dealing with Checkra1n Error 31 can be an irritating ordeal. The optimal solution is opting for an alternative, such as Wondershare Dr.Fone. This tool offers comprehensive textual and video guides, aiding users in successful jailbreaks.

    Tips: Are you searching for a powerful Activation bypass tool? No worries as Dr.Fone is here to help you. Download it and start a seamless unlock experience!

    screen unlock

    Daisy Raines

    staff Editor

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