This sounds basic, but a flaky USB cable can corrupt the loader handshake. Use an original Apple USB-A to Lightning cable (USB hubs often fail for these tasks). Switch to a USB 2.0 port on your motherboard.
This message indicates that the software cannot locate the specific bootloader or firmware loader required to communicate with the device’s Secure Enclave or baseband. Without the correct loader, bypassing iCloud, removing MDM, or performing a carrier unlock becomes impossible. Loader For Iphone7 2-n61ap Not Found Unlocktool
UnlockTool relies on USB drivers and exploit tools like Gaster. Ensure you are using the latest version of UnlockTool. This sounds basic, but a flaky USB cable
Disclaimer: This post is for educational purposes regarding device repair and unlocking of legally owned devices. Circumventing activation locks on stolen devices is illegal. Always verify local laws regarding IMEI unlocking. This message indicates that the software cannot locate