How to Fix iPhone Passcode Changed Itself

Q:"I always use a 4-digit passcode on my iPhone 11. All of a sudden it happens, the iPhone passcode changed itself to a 6-digit one. I have no idea what the 6-digit passcode is because I never set it. Until now, I have been locked out of my iPhone for 24 hours. I need a quick method to crack it. Any help?" - from Apple Community

The problem that iPhone changed passcode by itself might sound uncommon for you, but in reality, it frequently crops up. If you have followed with interest on the iOS related information, you will discover that a great many users have been reporting that their iPhone passcode changes by itself of late in the Apple comunity. For this recent hot problem, the post will present several straightforward ways to resolve this issue.

Part 1. Why Is My iPhone Passcode Changed Itself?

There are many reasons behind this problem, which can be roughly divided into three parts: bugs with iPhone itself (30%), iPhone data corruption (20%), and new kind of security arrangement of Apple after an update (50%).

Many iPhone users know that Apple develops the 6-digit passcode to replace the previously 4-digit passcode after the release of iOS 9. Thus, that's a very definite possibility that your iPhone passcode changed by itself is caused by the iOS update. Of course, the possibility of unknown iPhone errors or corrupted iPhone data resulting in the matter cannot be neglected. Let's watch how to solve this issue first.

Part 2. How to Make a Backup of iPhone Data before Repairing

Why suggests you back up your iPhone data before fixing the iPhone password changed itself issue? It is because that all existing methods to crack iPhone passcode will erase everything on your device. If you are not out to lose any important data and information, then you'd better make a backup of your iPhone by using iCloud or your computer. Suppose you already have a backup,directly head to learn how to unlock iPhone passcode that you never set up.

To back up your iPhone, you can use iCloud to have a copy of your information and data. Here's how to back up your iPhone with iCloud directly.

back up iphone via icloud

Step 1. Make sure that your iPhone is connected to a Wi-Fi network.

Step 2. Go to Settings, touch your name, and then select iCloud.

Step 3. Select iCloud Backup and turn it on your device.

Step 4. To perform a manual backup, tap Back Up Now.

To back up your iPhone using your computer, make sure that your iPhone has been connected to your computer. Here are the steps to back up iPhone with iTunes on your Windows PC.

back up iphone via itunes

Step 1. Run iTunes on a trusted Windows computer and use a USB cord to connect your iPhone to the computer.

Step 2. When iTunes recognizes your iPhone, click the iPhone icon and then choose the Summary option.

Step 3. In the Backup section, click Back Up Now to back up all iPhone data.

Notably, for Mac users, after connecting your iPhone to the computer, go to launch Finder. Now select your iPhone in the Finder sidebar and click General then select Back up all of the data on your iPhone to this Mac.

Part 3. How to Fix iPhone Passcode Changed by Itself

Now comes the really important bit, which concludes three simple and effective measures to settle your iPhone changed password problem.

  • Measure 1 Use iTunes

    The first suggested solution to the iPhone passcode randomly changed trouble is to use iTunes to restore your iPhone. This is the most commonly used method to unlock the iPhone without knowing the correct screen password. The operation procedure is pretty straightforward. Follow the below steps.

    restore iphone with itunes

    Step 1. Connect your iPhone on the trusted computer and launch iTunes.

    Step 2. In the iTunes app on your PC, click the iPhone icon and then select Summary.

    Step 3. Click Restore iPhone and then confirm the restoring by clicking the Restore and Update button.

    If your iPhone has not trusted any computer, you can use the recovery mode to restore the device with iTunes. Manually put your iPhone into recovery mode and connect the iPhone to your computer then do the above steps. Also, if you have a Mac computer, you use Finder to resolve this issue.

  • Measure 2 Use iCloud

    Apart from iTunes, using iCloud is another official method to troubleshoot the iPhone passcode changed itself problem. When you have enabled Find My on your iPhone, then do not hesitate to make use of iCloud - Find My iPhone to bypass the changed passcode on your iPhone.

    erase iphone with icloud

    Step 1. Visit on a workable mobile device or a computer.

    Step 2. Sign in to your iCloud account with Apple ID and password and then locate Find My iPhone.

    Step 3. Go to All Devices and select your iPhone from the drop-down menu.

    Step 4. Click on the Erase iPhone button. After the process, the changed iPhone screen passcode can be removed.

  • Measure 3 Use Joyoshare iPasscode Unlocker

    That iPhone passcode changed itself leads you to be locked out of your iPhone? In case you are seeking a speedy solution, an iPhone passcode unlocker - Joyoshare iPasscode Unlocker is introduced to you. It is an easy-to-use yet professional unlocker that focuses on removing any kind of screen locks on almost all iOS devices. In detail, not only easy 4-digit and 6-digit passcode but also complicated Touch ID and Face ID could be removed by it in a breeze.

    With advanced techniques, it is applicable to many occasions, such as forgotten passcode, changed passcode, and even unlocking an iPhone with broken screen. More than anything, it is extremely simple to use and ensures 100% success rate.

    Key Features of Joyoshare iPasscode Unlocker:
    joyoshare vidikit video recorder
    • Unlock changed iPhone passcode with ease
    • Support all iOS device models and iOS systems
    • Compact interface and simple to operate
    • Applicable to various different situations
  • Step 1 Connect the iPhone to Joyoshare iPasscode Unlocker

    connect iphone to the program

    From the download page of Joyoshare, download the installation package of Joyoshare iPasscode Unlocker on your computer. After installing and running it, please plug your iPhone to the computer by means of an original USB. Once the program successfully detects your device, keep on with the "Start" button.

  • Step 2 Boot the iPhone into recovery/DFU mode

    put iphone into recovery or dfu mode

    Select your iPhone model. Then follow the stated steps to manually boot your iPhone into recovery mode. If the gray "Next" button turns blue, tap it to go to step 3. If not, click the bottomed link to change to DFU mode.

  • Step 3 Download a compatible firmware package

    download and verify the firmware package

    When iPhone is put into recovery or DFU mode, the program will recognize all basic iPhone info and show it on the screen. You need to confirm that shown info about your iPhone is not wrong. Afterward, tap on "Download" to download and verify a compatible firmware package.

  • Step 4 Remove the changed iPhone passcode

    remove the changed iphone passcode

    Ultimately, only touch the "Unlock" icon to make the verified firmware package unzipped. After that, Joyoshare iPasscode Unlocker will start removing the changed digital passcode on your iPhone.

Part 4. Which Is the Best Way to Fix iPhone Passcode Changed Itself

Whether you use iTunes or iCloud, even with Joyoshare iPasscode Unlocker, you are trying to fix the iPhone passcode changed itself problem as possible. However, each measure has has advantages and disadvantages, and none of them is the best practice in all cases. The table below gives information related to the three methods for fixing the problem.

Use iTunes Use iCloud Use Joyoshare iPasscode Unlocker
Supported Devices Support all iPhone Support all iPhone Support all iPhone
Required Equipment A computer A computer, iPad, or another iPhone A computer
Apple ID and passcode ×
Data Loss
Success Rate High High 100%
Operating Steps A little complex A little complex Pretty easy
Recommendation ★★★★ ★★★★ ★★★★★

Part 5. How to Set up a Passcode on iPhone after Repairing

Whichever measure you take to finish off the iPhone passcode randomly changed matter, once successful, you are able to directly access the iPhone without entering the passcode. Although convenient, there is a potential safety hazard. To protected your iPhone from unauthorized access and modification, it is recommended that you can set up a new passcode as soon as you could.

set iphone passcode anew

On an iPhone with Face ID

Step 1. Open Settings on your iPhone and followed by Face ID & Passcode.

Step 2. Tap Turn Passcode On and then enter the passcode you want to set.

Step 3. Lastly, enter the same passcode to confirm the settings.

Besides setting up a digit passcode, it is better to add a fingerprint. Like that, even if the digit passcode is not working someday, you still get into the iPhone by Touch ID or Face ID.

On an iPhone with a Home button

Step 1. Go to Settings and then tap Touch ID & Passcode.

Step 2. Select Turn Passcode On and enter a six-digit passcode. Or tap Passcode Options to choose other passcode forms.

Step 3. Enter the passcode again to confirm it and active it.

Besides setting up a digit passcode, it is better to add a fingerprint. Like that, even if the digit passcode is not working someday, you still get into the iPhone by Touch ID or Face ID.


If you have the iPhone passcode changed itself problem, follow the measures in this post for help. You can use iTunes to restore your iPhone so as to remove the screen lock. Or you erase your iPhone to bypass the passcode with iCloud. To quickly get out into the problem, try using Joyoshare iPasscode Unlocker that can efficiently unlock the iPhone in various scenarios.


Activation Unlocker

Remove iCloud activation lock from iPhone/iPad/iPod securely


Leave a comment

  Home >  Resource >  Unlock Iphone Passcode >  Resolve iPhone Passcode Changed Itself