How to Fix iPhone Passcode Changed Itself [2025 Guide]

Why My iPhone Passcode Changed Itself?

iPhone passcode changed itself, which may be caused by several possible reasons such as:

User error: Multiple accidental entries of the wrong passcode can trigger the device's security mechanism, prompting the user to set a new passcode.
Software glitch: A software glitch or error in the iOS operating system may cause iPhone to accidentally reset or change the passcode.
Security vulnerability: Unauthorized access to iPhone could cause the passcode to be changed, locking out the owner or hiding illegal activity.
Malware: A malicious application or program on iPhone can remotely change the passcode or lock the device.

How to Fix iPhone Passcode Changed Itself in Simple Ways

After understanding the underlying reasons behind the iPhone passcode randomly changed, it is vital to take steps to rectify the situation. Read on to explore the necessary methods for this issue.

Method 1: Fix iPhone Passcode Changed Itself with iTunes

It’s quite annoying when “my iPhone passcode changed itself”, but there is a solution with iTunes, which is a versatile multimedia player, media library, and mobile management tool developed by Apple Inc. In addition to entertainment, iTunes cannot only help you fix the issue but also make a full iPhone backup.

Follow these steps to resolve the problem:

Step 1: Download the latest iTunes on your PC > Connect your iPhone to your PC > Once connected, force restarts your iPhone.

Step 2: Run iTunes > Click the phone-shape icon > Choose Summary > Click the Restore iPhone button, which will erase all data on your iPhone and install the latest iOS version.

★Tip:

 It is strongly advised to create a backup of your iPhone data before restoring it.

Once the latest version of iOS is installed, you can set up your iPhone as new or restore it from a backup if you have one.

Method 2: Fix iPhone Passcode Changed Itself via iCloud

iCloud is Apple’s cloud storage platform that provides a reliable backup solution for your photos and other documents. One feature that sets it apart from other cloud services is Find iPhone. This powerful tool enables users to locate and remove iOS devices connected to iCloud, thereby removing passwords. Therefore, if your iPhone passcode has somehow changed, you can utilize iCloud to eliminate the unknown passcode.

Let’s dive into the steps to resolve the “iPhone changed passcode on its own” issue.

Step 1: Access iCloud through your web browser > Log in using your Apple ID and password.

Step 2: Upon logging in, choose Find My iPhone after ensuring it’s enabled in your iPhone settings and the device is connected to the Internet.

Step 3: Click All Devices > Choose the specific device you wish to remove the passcode from > Then, select Erase iPhone > Click Erase again to confirm.

Using iCloud presents a proficient and effective approach to address the issue of “iPhone passcode changed itself”. In a nutshell, this process removes the passcode from your iPhone, allowing you to set a new one securely.

Method 3: Repair iPhone issues or Reset Device via FoneTool Repair

If the issue is caused by a software glitch, system error, or you simply need to wipe the device to remove the unknown passcode, using a dedicated iOS repair tool like FoneTool Repair is the most efficient solution. It provides a comprehensive fix without requiring you to juggle multiple tools.

How to Use FoneTool Repair to Fix or Reset Your iPhone

Scenario A: One-Click to Repair iOS System

Step 1: Download and install FoneTool Repair on your Windows PC.

Step 2: Launch the tool and connect your iPhone via USB cable. And select iOS System Repair.

Step 3: Choose Standard Mode or Deep Mode to fix any iPhone issue.

Step 4: Follow instructions to download firmware package.

Step 5: Click Start Repair to begin system restoration.

Scenario B: Erase iPhone to Fix iPhone Passcode Changed Itself

Step 1: On the home screen, select Reset iOS Device instead.

Step 2: Choose Advanced Reset to completely erase your iPhone and its passcode, restoring it to factory settings.

Step 3: Confirm to start the process. Once done, you can set up your iPhone as new.

After using either method, your iPhone will restart. Set a new passcode and check if the problem is resolved.

The Bottom Line

In conclusion, if you find yourself struggling with the “iPhone passcode changed itself” issue, you can try the methods above to overcome this problem. For software-related issues or a need to securely erase your device, FoneTool Repair provides an all-in-one solution. It can either attempt to fix the iOS system without data loss or perform a complete wipe to remove the unknown passcode, making it the most versatile tool for this scenario.