Searching for specific file formats like "480p dual audio" on third-party sites can expose your device to several threats: Ninja Assassin review | Den of Geek
You can find Ninja Assassin across several major platforms, many of which allow for offline viewing (downloading) through their official apps.
A 480p file typically ranges from 300MB to 500MB. For users with limited smartphone storage or those who travel frequently, this allows you to carry an entire library of action films without hitting a "disk full" error.