Frequently Asked Questions for 4uKey for iPhone Screen Unlocker

  • 1. How do I register 4uKey iPhone Passcode Unlocker?
    • Step 1: Install and launch 4uKey iPhone Passcode Unlocker on your computer.
    • Step 2:

      On Windows: Click on the Key icon on the upper right corner. The registration box should pop up.

      On Mac: Click 4uKey on the top menu, then hit Register on the drop-down menu. The registration box should pop up.

    • Step 3: Copy and paste your registration email and code into the box. And then hit Register to activate the program.
  • 2. Should I have iTunes installed on my computer before running 4uKey iPhone Passcode Unlocker?

    Not necessary.

    • If you haven't installed iTunes on your Computer, 4uKey will install a few iTunes components when you run it for the first time, but won't install the whole iTunes program on your Computer.
    • If you have already installed iTunes, or you are using macOS Catalina or later, you can use 4uKey right away without installing the components.
  • 3. What should I do if 4uKey iPhone Passcode Unlocker keep installing iTunes driver?

    Missing components of iTunes could lead to this issue, follow the steps below to fix it:

    • Step 1: Launch Task Manager, find AppleMobileDeviceProcess.exe, then click end task.
    • Step 2: Open Control Panel, then go to Programs-Uninstall a program, uninstall all the programs with Apple Inc. as publisher.
    • Step 3: Download iTunes on, then install it.
    • Step 4: Launch 4uKey iPhone Passcode Unlocker, the iTunes installing windows should not appear again.
  • 4. What should I do if 4uKey iPhone Passcode Unlocker won't detect my device?
    • Step 1: Make sure to use an original Apple USB cord. Switch to another USB port on your computer.
    • Step 2: Follow the instructions to put your device into recovery mode.
    • Step 3: Download iTunes on, then install it.
  • 5. What kind of passcode can 4uKey Passcode Unlocker remove from iOS devices?

    Screen lock encrypted by 4-Digit, 6-Digt, Custom Numeric Code, Custom Alphanumeric code, Touch ID or Face ID.

  • 6. Will the Unlock Lock Screen Passcode feature erase data on iOS devices?

    Yes. removing the screen lock will wipe all the content on the device.

  • 7. Will the Unlock Apple ID feature erase data on my device?

    If Find My iPhone is enabled and your version is from iOS 10.2 to iOS 11.3, the data will not be lost after using 4uKey.

    If the iOS version is below iOS 10.2, the data will be lost.

  • 8. How do I know if 4uKey iPhone Passcode can remove the Apple ID from my device?

    Download and install 4uKey iPhone Passcode Unlocker. Connect your device to the Computer or Mac, click on Unlock Apple ID. If your device is supported, the removal process will start, otherwise it'll say "This device is not supported.

  • 9. What should I do if 4uKey Passcode Unlocker says my device is not supported?

    If your device doesn't meet the requirements below, 4uKey Passcode Unlocker will show you "This device is not supported".

    • 1. Find My iPhone is enabled, the device is running iOS 11.4 or earlier version. And you have access to Settings app.
    • 2. Find My iPhone is disabled. We suggest you try your best to remember the Apple ID, while we expanding support for devices and iOS.
  • 10. Will the Apple ID be removed forever?

    Kindly note that 4uKey Passcode Unlocker only removes the Apple ID from the device, rather than Apple server, so the removal is not permanent. Make sure not to update iOS, reset all content and settings or restore your device with iTunes, or the device will get stuck on Activation Lock screen which 4uKey iPhone Passcode Unlocker can't remove.

  • 11. Can I remove iCloud Activation Lock with 4uKey iPhone Passcode Unlocker?

    iCloud Activation Lock appears when you reset and reactivate the device. 4uKey cannot help remove the iCloud Activation Lock. It only removes Apple ID without password from activated devices. We provide another product - 4MeKey for you to remove Activation Lock. Check it out here:

  • 12. What should I do if 4uKey says firmware not match?
    • Step 1: Delete the firmware you downloaded previously. You can find it by clicking the Browse button on the firmware download screen.
    • Step 2: Make sure you have sufficient space left on the disk where you download the firmware.
    • Step 3: Connect to a stable network.
    • Step 4: Download the firmware using 4uKey instead of importing one downloaded from elsewhere.
  • 13. What should I do if the progress bar got stuck at a point while removing the passcode?

    The progress bar could stay at some point a little bit longer, it's normal, just wait for it to complete and make sure to keep your device connected during the process. If it got stuck longer than 30 minute, quit 4uKey Passcode Unlocker, check your network connection, make sure you can visit And then run the removal again.

    If the issue persists, submit a support form here: Our representative will help you out.

  • 14. What should I do if the passcode removal failed?
    • Step 1: Make sure you have installed the latest version of iTunes on your Computer.
    • Step 2: Make sure you have sufficient space left on your Computer.
    • Step 3: Connect to a stable network.
    • Step 4: Use an original Apple USB cord, and try connecting the device to another USB port on your computer.
    • Step 5: Restart your device before removal.

Your personal info will always be protected and never be exposured.


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