Since the current binary file is compromised, you need a fresh, clean copy. Delete your current unlock tool folder entirely.

Many tools rely on Visual C++ Runtimes.

Mobile device security features, such as Samsung’s Factory Reset Protection (FRP), are designed to prevent unauthorized access and the installation of unverified software. However, these protections can sometimes trigger errors—like "Custom Binary Blocked by FRP Lock"—which render the device unbootable. Software tools like UnlockTool

: If you are trying to bypass iCloud/Passcode on iPhones and get a mounting error, ensure the device is in the correct PWNDFU mode and that you are using the correct Ramdisk for your iOS version.

Many free versions of paid unlock tools contain trojans that can infect your PC.

Replacing the "custom" or corrupted code with the official manufacturer code. How to Fix "Binary is Corrupted" Errors 1. Perform a Hard Reset

When you see a message like "binary is corrupted" or "custom binary blocked by FRP lock," it means:

If the error persists, the binary header or structure might be damaged.

Restore header from a known good binary of the same architecture and compiler.

) to enable ADB and allow the tool to remove the binary block. 5. Security and Ethical Considerations

: Many "binary corrupted" errors in repair tools are actually caused by the PC's inability to read device partitions due to missing USB drivers (e.g., QcomMtk drivers). 3. Common Errors and Diagnostics

Add the UnlockTool.exe and its folder to your antivirus list.

Allowing you to install a fresh, clean version of the OS.