How to Jailbreak iOS Device on Windows System

  • You need to jailbreak your device before removing iCloud Activation Lock.
  • Before jailbreaking, you need to use 4MeKey for Windows to help create a jailbreak environment (Checkn1x) in the USB flash drive.
  • Then start the jailbreak environment (Checkn1x) in your USB flash drive to jailbreak your iOS device.
  • This tutorial will guide you to jailbreak the iOS device step-by-step.

Part 1: What Should You Prepare Before Jailbreaking?

Please make sure you have the jailbreak environment (Checkn1x) installed on your USB flash drive with 4MeKey for Windows.

Part 2: Step-by-Step Guide on How to Jailbreak on Windows

Step 1. Boot the system into the jailbreak environment

  • Restart your computer. When the computer is powered on and loaded in the meanwhile, press F12 (Boot Menu).

    start to boot into jailbreak environment

    • Note：For most branded computers, the shortcut key to "Boot Menu" is F12. If F12 is invalid, refer to the following "Boot Menu" shortcuts

    Boot Menu Key Desktop Brand Laptop Brand Motherboard Brand
    ESC Dell ASUS, Sony MAXSUN, UNIKA, SUPOX, Spark, SOYO, EPOX, UNIKA, Jetway, 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 your computer is unable to enter the "Boot Menu", try entering the COMPUTER BIOS/UEFI and modify the system Boot entry Settings to enter the Linux CheckRA1n environment. For detailed guide, please check the following:

  • In the startup window, select the USB flash drive that you have just used to create the jailbreak environment using 4MeKey.

    select burned usb drive in the startup window

  • Once the computer enters this interface below, it is already in the jailbreak environment (Checkn1x).

    enter jailbreak environment

Step 2. Jailbreak your iOS device in the jailbreak environment

  • After you've launched the Checkra1n, connect your iOS device to the computer. Then select the Options from the keyboard arrow key and press Enter to set the jailbreak tool.

    select options

  • From the Settings screen, select Allow Untested iOS/iPadOS/tvOS versions option from the keyboard arrow key, and press Enter to select it.

    allow untested ios/ipados

  • After selecting "Skip A11 BPR check", press Enter to select.

    select skip all bpr check

    • Note 1: If you have an iPhone 8/8 Plus/ X with iOS 14 system, you need to tick "Skip A11 BPR check" option .
    Note 2: You could not jailbreak an iPhone 8/8 Plus/ X running iOS 14(with lock screen passcode). If with lock screen passcode, please have a deep flash of the firmware firstly, and try to jailbreak again.

  • Then choose the Back button and press Enter to back to the main interface.

    back to main interface

  • After you hit the Start button, press Enter to jailbreak your iOS device.

    click enter to jailreak

  • To jailbreak your iOS device, CheckN1x requires your device be in DFU mode. Select "Next" and the program will direct you to DFU mode.

    prepare to enter dfu mode by checkn1x

  • Check the "Next" option and Checkn1x will automatically put your iOS device into recovery mode first.

    enter dfu mode by checkn1x

  • Select the "Start" option, and then follow the instructions on Checkn1x to put your iOS device into DFU mode.

    enter dfu mode by checkn1x manually

  • After your device enters DFU mode successfully, Checkn1x will automatically jailbreak your device. When the jailbreaking process is completed, select "Done" and unplug the USB flash drive.

    enter dfu mode by checkn1x manually successfully

Part 3: How to Remove iCloud Activation Lock After Your Device is Jailbroken Successfully?

  • Please restart your Windows computer and then use 4MeKey to bypass iCloud Activation Lock.
  • You can check the 4MeKey Guide to see how does 4MeKey bypass iCloud Activation Lock.

Some Tips for the Most Commone Issues You Probably Have

Tip #1: If the jailbreaking process gets stuck:

  • Change a different USB flash drive and try to jailbreak again.
  • Restart your iOS device and computer and try to jailbreak again.

Tip #2: If jailbreak failed:

Re-plug your device into the USB port on the back of your computer host and try again.

Tip #3: Notes for iPhone 8/8 Plus/ X devices with iOS 14 system:

For Phone 8/8 Plus/ X with iOS 14 system before jailbreaking, they should be in inactive and without any lock screen passcode.

Tip #4: Failed to jailbreak on iOS 14.2 devices:

On some iOS 14.2 devices, the jailbreak tool will tell you that the jailbreak is failed (an error-92 prompts), but the jailbreak is actually successful. You can try to remove iCloud Activation Lock using 4MeKey. (iOS 14 & iOS 14.1 devices do not have this issue)

Tip #5: The USB flash drive cannot format or write:

After creating a jailbreak environment in the USB flash drive using 4MeKey, the USB flash drive is probably unable to format and write data. If you encounter similar problems, you can use the system's built-in disk management tools to format your USB flash drive.