Dr.Fone User Guide for Screen Unlock

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Screen Unlock

How to 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 jailbreaking iOS and complete a jailbreak on a Windows OS computer.

Note: All Apple security updates are lost after jailbreaking iOS, which makes the process exceptionally delicate. The user must be aware of the repercussions before performing such actions.

Index

01What to Prepare Before You Jailbreak iOS?
02How to Jailbreak iOS on Windows Step-By-Step
03Tips You Should Know
04How to Unlock Activation Lock?

Part 1: What to Prepare Before You Jailbreak iOS?

There are a few things to regulate before you jailbreak iOS on a Windows computer. You must make sure to have these things with you during the process:

  • The computer should run on Windows 7 or above.
  • A USB flash drive with a capacity exceeding 2GB.
  • Download checkn1x-amd64.iso and rufus.exe for the procedure.

Part 2: How to Jailbreak iOS on Windows Step-By-Step

Step 1Burn the checkn1x ISO to Your USB Flash Drive

1. Plug in your USB drive to the computer and open the rufus.exe file. Following this, click SELECT > select the downloaded checkn1x-amd64.iso. Continue by clicking START.

start rufus on windows

2. As a warning message appears on the screen, select the checkmark option showing Write in DD image mode and continue by pressing OK. If necessary, back up your USB flash drive for it will format data.

write in dd image

3. This will initiate the process of writing image data, which can be observed against the progress bar at the bottom of the window. Wait for 2-3 minutes.

start writing image

4. As the burning concludes, click CLOSE. Replug your USB flash drive into your computer. It's essential because the Windows system may not recognize it after it's burned.

conclude burning usb

Step 2Start Using Checkn1x for Jailbreaking

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.
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, 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.

open boot menu

3. Following this, connect your iOS device that is to be processed. Use the arrow keys on the keyboard to lead to the Options button. Press Enter to set up the jailbreak tool.

connect ios device

4. Next, you will have to navigate to the Allow untested iOS/iPadOS/tvOS versions option and press Enter. Select Skip All BPR check, and press Enter. Continue to select Back on the bottom of the screen, press Enter, and lead back to the main screen.

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

checkmark options to jailbreak

5. On the main screen, you have to select the Start option and press Enter to initiate jailbreaking.

start jailbreaking

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

follow instructions to dfu mode

7. On selecting Next, the iOS device will be automatically put in Recovery Mode first.

put ios device in recovery mode

8. Select the Start option and then follow the on-screen instructions on Checkn1x to put your iOS device in DFU mode. As it enters mode, Checkn1x will automatically jailbreak the device. Select Finish and unplug the USB device from the Windows computer.

jailbreak ios successfully

Part 3: Tips You Should Know

There are a few tips that you should keep in mind while performing a jailbreak on iOS, which are discussed as follows:

Tip 1: If the jailbreak process is in trouble, do as follow:

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

Part 4: How to Unlock Activation Lock?

Once you have completed the jailbreaking process, you can continue to unlock the Activation Lock across the iOS device. For this, you can take the aid of Dr.Fone – Screen Unlock (iOS), which will help you achieve proper results. To know more about how it helps users in the procession, follow the step-by-step guide.

unlock activation lock

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