Standard Windows Defender protocols will often flag these tools as "Potentially Unwanted Programs" (PUP) or malware due to their heavy obfuscation and exploit-based mechanics. Permanent Brick Risk
This is the core of your search. There is no single "Nokia SPD Unlock Tool v10". Instead, there are several prominent, often competing, tools. Here are the main options available today, which serve as the direct successors to the older "v10" concept. nokia spd unlock tool v10 download link
Many available downloads contain bundled adware, trojans, or cryptocurrency miners. Standard Windows Defender protocols will often flag these
: Allows for the installation of custom ROMs and advanced system modifications. How to Use the Nokia SPD Unlock Tool Instead, there are several prominent, often competing, tools
100 MB of free hard drive space for the tool (additional space required for firmware files). Connectivity: A high-quality USB data cable. Prerequisites Before Installation