[Official]Jailbreak iOS on Windows Computer
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Jailbreak iOS on a Windows computer:

Jailbreak iOS is the first thing you must do to bypass an activation lock. Tools on the market are not compatible with Windows OS. But you can create an environment manually. Read this tutorial. Learn how to create an environment for jailbreak iOS and complete a jailbreak on a Windows OS computer.

Note: This guide is for Windows OS computer users. It's better to jailbreak with a Mac if you own one (macOS 10.13-10.15).

What to prepare before you jailbreak iOS

Attention : You need to take the risk of losing Apple security updates after jailbreaking, so please think twice before jailbreaking the ios devices.

On the Windows computer:

  • Make sure your computer runs Windows OS 7 and a higher version.
  • Obtain a USB flash drive with a capacity of more than 2 GB.
  • Download checkn1x-amd64.iso.
  • Download rufus.exe.

How to jailbreak iOS step-by-step

Step 1. Burn the checkn1x ISO to your USB flash drive.

1. Plug in your USB flash drive to the computer.

2. Left-click the rufus file to open it.

3. Press ‘SELECT’ > Select the downloaded checkn1x ISO > Retain other options by default > click ‘START’.

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4. A warning message pops up. Choose ‘Write in DD Image mode’. Press ‘OK’. (If necessary, back up your USB flash drive for it will format data.)

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5. It starts writing. Wait for 2-3 minutes.

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6. Complete burning. Click ‘CLOSE’.

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7. Unplug and plug your USB flash drive to your computer again. It’s essential because the Windows system may not recognize it after it's burned.

Step 2. Start to use checkN1x for a jailbreak.

1. Restart your computer (keep the battery). Press F12 to open Boot Menu while the computer is powered and booted for a while.

Note: F12 is the shortcut to open the Boot Menu for most brands' computers. If it doesn’t work, look at the list below. Find your desktop brand and a corresponding shortcut.
Boot Menu Key Desktop Brand Laptop Brand Motherboard Brand

ESC

Dell

ASUS, Sony

MAXSUN, UNIKA, SUPOX, Spark, SOYO, EPOX, UNIKA, Jet way, J&W, Colorful, ECS, SOYO, FOXCONN

F8

ASUS, BenQ

ASUS, YESTON, J&W

F9

HP, BenQ

BIOSTAR, GUANMING

F10

ASL

F11

MSI

MSI, ASRock, ONDA, Colorful,ECS, Gamen, Topstar

F12

Lenovo, HP, Acer, Hasee, eFound, THTF, Haier

Thinkpad, Dell, Lenovo, TOSHIBA, Samsung, IBM, Acer, Hasee, Haier,eFound, THTF, GIGABYTE, Gateway, eMachines

GIGABYTE, Intel, Cthim, SOYO, FOXCONN, Gamen, Topstar

Note: If you can’t start Start Menu anyway, please try to enter COMPUTER BIOS / UEFI mode and change the system boot settings to go into Linux CheckRA1n.

2. Choose the USB flash drive in the Start Menu.

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3. Connect your iOS devices to your computer. Select ‘Options’ by using arrows on the keyboard. Press ‘Enter’ to set up jailbreak tool.

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4. Control with arrow keys on the keyboard. Choose ‘Allow untested iOS/iPadoS/tvOS versions’. Press ‘Enter’.

5. Select ‘Skip All BPR check’. Press ‘Eeter’.

Note 1: If you have an iPhone 8/8 Plus/X equipped with an iOS 14 system, you need to select the 'Skip A11 BPR check' option. Note 2: You cannot jailbreak iPhone 8/8 Plus/X running iOS 14 (with lock screen password). If you have a lock screen password, please deep-flash the firmware first, and then try to jailbreak again.

6. Select ‘Back’. Press ‘Enter’. Go back to the main interface.

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7. Select ‘Start. Press ‘Eeter’. It starts a jailbreak on your iOS devices.

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8. CheckN1x requires your device to be in DFU mode to jailbreak your iOS device. Select ‘Next’. It will guide you into DFU mode.

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9. Check the 'Next' option. Checkn1x will automatically put your iOS device in recovery mode first.

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10. Select the 'Start' option. Then follow on-screen instructions on Checkn1x to put your iOS device in DFU mode.

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11. Checkn1x will automatically jailbreak the device after the device successfully enters the DFU mode. Select 'Finish' and unplug the USB flash drive.

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Tips you should know:

Tip 1: If the jailbreak process is in trouble, please do the following:

1. Replace with another USB flash drive, and then try to jailbreak again.

2. Restart your iOS device and computer, and then try to jailbreak again.

Tip 2: If the jailbreak fails:

Reinsert the device into the USB port on the back of the host computer and try again.

Tip 3: Note for iPhone 8/8 Plus/X devices equipped with iOS 14 system:

For Phone 8/8 Plus/X using the iOS 14 system before jailbreaking, they should be inactive and without any lock screen password.