How to Make Checkra1n Jailbreak U Disk Using 3uTools.

On the macOS system, the CheckRa1n jailbreak program must be installed. You may use CheckRa1n to jailbreak your iPhone on a Windows PC after creating the jailbreak U disk with 3uTools.

This Jailbreak supports iPhone 5S – iPhone X devices. In addition, it is compatible with iOS 12.3 and above systems.

 Steps to use these Jailbreak U disks.

  1. Connect the iPhone to the computer using the data cord.
  2. Open 3uTools on the computer, select “Enter Recovery Mode” in the “Toolbox,” and keep the data cable connected once the iPhone enters recovery mode.
  3. Restart the machine, go into BIOS mode, and choose U disk (Generic Flash Disk) as the boot device. (There are multiple ways to access the BIOS on different versions of PCs and motherboards; please see the motherboard maker for further information.)
  4. After starting the U disk, enter Checkra1n, choose “Start” in the lower right corner with the keyboard arrow keys, and press Enter to begin.
  5. Select “Start” in the lower right corner of the screen with the keyboard arrow keys and hit Enter, then follow the on-screen instructions to put the device into DFU mode.
  6. The jailbreak stage will be done automatically without any further actions after you enter DFU mode.
  7. Checkra1n will prompt “All Done” when the jailbreak is done. If the jailbreak fails, please try again.
  8. The checkra1n icon will appear on the iPhone desktop at this time. Open checkra1n on the desktop, click Cydia, and install.
  9. This jailbreak is finished after Cydia has been installed properly.
  10. Disconnect the data connection and USB flash drive and restart the computer.
  11. If you restart your iPhone after jailbreaking using the aforementioned technique, the jailbreak environment will be lost, and you’ll need to re-jailbreak to recover it.

Steps to make Jailbreak USB Flash drive.

  1. Connect a USB flash drive with a storage capacity of at least 1GB to your computer.
  2. In the “Flash&JB-Jailbreak” section of 3uTools, click “Make Checkra1n jailbreak USB flash drive.”
  3. The function description will subsequently appear and be shown. Select the U disk to be used for manufacturing from the inserted U disk and click the “Start Making” button.
  4. Note: Please note that this procedure will erase any data presently saved on the U drive; please make a backup of your personal information before proceeding.
  5. After that, 3uTools will generate a jailbroken USB flash drive for you. When you’re finished with the creation, click the “Close” button on the prompt window.

Steps to return to normal use after making a boot disk.

The U disk will not be able to read properly after creating a jailbroken boot disk using the aforesaid approach. Please follow the procedures below if you need to restore it.

  1. To begin, download the recovery program to your computer, unzip it, then double-click to start it after the download is complete.
  2. Second, insert the U disk into the computer; the recovery application will identify the drive immediately; under “Boot Type Selection,” pick “FreeDOS.”
  3. Finally, click “Start” to begin the recovery process.