Elias plugged in a locked Huawei router he’d found at a junk shop. He clicked the button.

: Some widely distributed "cracked" versions (like certain DCCrap iterations) are known as "analogue-killers" that can permanently damage (brick) your hardware.

The official DC-unlocker User Agreement explicitly states they have the right to block accounts if sniffing, scanning, or "cracking" software is detected on the same system. Legit DC-Unlocker Features

The file was suspiciously small. He ran it inside a "sandbox"—a digital glass box designed to trap malicious code. As the progress bar filled, his cooling fans began to whine, spinning faster and faster until they sounded like a jet engine.

: It provides services to unlock the bootloader and offers support for removing FRP (Factory Reset Protection) and other types of locks.