Faulty WinUSB or libusb-win32 drivers fail to maintain the connection after the phone enters Pwned DFU mode.

To fix the "Loader not found" error, you must install a of the required files and place them in the correct directory. Step 1: Download and Prepare the Repack Files

Ensure no subfolders are nested inside each other. The files must sit directly within their respective directories. Step 3: Configure and Re-run UnlockTool

Locate and open the folder path: C:\UnlockTool\DataFiles\Apple\ .

When the error occurs, it means the software cannot execute or find the custom bootloader files needed to patch the iPhone 7's A10 Fusion chip. The three primary causes are:

This occurs when the software lacks or fails to read the necessary boot files (iBSS, iBEC, DeviceTree, Ramdisk, and Kernel) required to exploit the device via checkm8. Root Causes of the Error

Temporarily or any active antivirus. Antivirus programs often mistakenly flag custom Apple ramdisk scripts as malicious. Step 2: Place the Loader in the UnlockTool Directory

Download the verified (specifically containing directories for iOS 12.x, 15.x, and 16.x).