According to international guidelines, such as those from the European Data Protection Board (EDPB), obtaining leaked personal data from public repositories is considered unlawful collection.
If you are a researcher or journalist, I recommend legally requesting data from Irancell or relevant regulatory bodies, or using anonymized, publicly available telecommunications data. irancell full database download
However, searching for or downloading such databases is illegal and poses severe security risks to your own devices. "Full database" downloads found on public forums or third-party sites are often: According to international guidelines, such as those from