Installing Odysseyra1n

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You are currently not running a macOS or Linux device and this guide will not work on your system. You can use odysseyn1x instead.

On iOS 14.0 to 14.7.1 , Odysseyra1n is only fully supported on A8(X), A9, and A10(X) devices. A9X devices are only fully supported on 14.0 to 14.4.2. All A11 devices have limited support with no security. For more information, see Regarding Odysseyra1n on A11.

Odysseyra1n is a semi-tethered jailbreak, meaning it requires a PC to re-apply the exploit after a reboot. Click the link to learn more.

checkra1n is a tool capable of jailbreaking millions of iOS device on firmwares 12.0 and above. It’s currently only compatible with macOS and Linux. A Windows release is planned to release in the future.

After installing checkra1n, we’ll be using a script to install Odysseyra1n. This replaces important parts of the jailbreak with modern and fast alternatives.

If you are using Windows, proceed to Using odysseyn1x.

If you’re migrating from unc0ver to Odysseyra1n, you must follow Removing unc0ver before proceeding.

Please select your operating system below:

Downloads (macOS)

  • The latest release of checkra1n
    • If you are on an A9X device, you should instead get the 0.12.2 release of checkra1n

Installing checkra1n

If you’re using an M1 Mac and are attempting to jailbreak on A7 or A9X (not A9) to A10(X) devices, you will be prompted during the process to unplug and replug the device and will need to do so.

  1. Open checkra1n on your computer
  2. Plug your iOS device into your computer
    • If you’re on A11, you will need to head into Options, then enable the Skip A11 BPR Check option once it runs
    • If you’re on iOS 14.6 or later, you will need to head into Options, then enable the Allow Untested Versions option once it runs
    • If you’re on A9X and are on iOS 14.4 to 14.4.2, you will need to head into Options, then enable the Allow Untested Versions option once it runs
  3. Click Start -> Next on checkra1n
    • Your device will be put into recovery mode automatically
  4. You will now be presented with instructions in how to reboot your device into DFU mode, click Start to begin
    • Follow the instructions until your device shows a black screen
  5. After this, checkra1n should automatically install

Your iOS device should now reboot.

To install Odysseyra1n, do not open the checkra1n app and install Cydia. Instead, follow the following instructions to install Sileo.

The Odysseyra1n script

  1. Open the terminal app on your computer
  2. Ensure that your computer is trusted by your device
  3. Install “homebrew” by pasting and executing the following command:

    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

  4. Install “iproxy” by pasting and executing the following command:

    brew install libusbmuxd

  5. Install the Odysseyra1n script by pasting and executing the following command:

    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/coolstar/Odyssey-bootstrap/master/procursus-deploy-linux-macos.sh)"

You should now be jailbroken with Sileo installed on your home screen. You can use Sileo to install tweaks, themes, packages and more.

Before you can start installing anything else, you first need to install a few necessary programs.

Installing packages

  1. Open the newly installed Sileo application
  2. Go to the “Packages” tab
  3. Select the filter button next to “Name”, then select “Developer”
  4. Tap “Upgrade All” if there are any updates
    • Do not install yet
  5. Go to the “Search” tab
  6. Search for the “libhooker” package
  7. Tap the “Get” button
  8. Tap on the “Queued” bar at the bottom of your screen
  9. Tap “Confirm”
  10. Reboot your device and re-jailbreak with checkra1n

Continue to Using Sileo

If you’ve used Sileo before, continue to Blocking Jailbreak Detection

Downloads (Linux)

  • The latest release of checkra1n
    • If you are on an A9X device, you should instead get the 0.12.2 release of checkra1n

Installing checkra1n

  1. Run the checkra1n binary in the terminal using ./checkra1n
    • You may need to run sudo chmod a+x ./checkra1n if the binary doesn’t run
    • If you’re on A11, you will need to head into Options, then enable the Skip A11 BPR Check option once it runs
    • If you’re on iOS 14.6 or later, you will need to head into Options, then enable the Allow Untested Versions option once it runs
    • If you’re on A9X and are on iOS 14.4 to 14.4.2, you will need to head into Options, then enable the Allow Untested Versions option once it runs
  2. Click Start and follow all onscreen prompts
  3. You will now be presented with instructions in how to reboot your device into DFU mode, click Start to begin
    • Follow the instructions until your device shows a black screen
  4. After this, checkra1n should automatically install

Your iOS device should now reboot.

To install Odysseyra1n, do not open the checkra1n app and install Cydia. Instead, follow the following instructions to install Sileo.

The Odysseyra1n script

  1. Open the terminal app on your computer
  2. Ensure that your computer is trusted by your device
  3. Install “iproxy” by pasting and executing the following command:
    • Ubuntu/Debian: sudo apt install libusbmuxd-tools
  4. Install the Odysseyra1n script by pasting and executing the following command:

    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/coolstar/Odyssey-bootstrap/master/procursus-deploy-linux-macos.sh)"

You should now be jailbroken with Sileo installed on your home screen. You can use Sileo to install tweaks, themes, packages and more.

Before you can start installing anything else, you first need to install a few necessary programs.

Installing packages

  1. Open the newly installed Sileo application
  2. Go to the “Packages” tab
  3. Select the filter button next to “Name”, then select “Developer”
  4. Tap “Upgrade All” if there are any updates
    • Do not install yet
  5. Go to the “Search” tab
  6. Search for the “libhooker” package
  7. Tap the “Get” button
  8. Tap on the “Queued” bar at the bottom of your screen
  9. Tap “Confirm”
  10. Reboot your device and re-jailbreak with checkra1n

Continue to Using Sileo

If you’ve used Sileo before, continue to Blocking Jailbreak Detection