To ensure you see content and subtitles in European Portuguese:
: Go to Settings and privacy > Accessibility, display, and languages > Languages and select Portuguese under Display language .
: For mobile users, the display language is often controlled by your device's global settings (iOS/Android) rather than the app itself. How to change your language settings - X Help Center
On X (formerly Twitter), creators can manually add Portuguese subtitles to their videos to improve accessibility and global reach.
The feature related to primarily refers to the platform's multi-layered language support, which includes video captioning and real-time AI-powered translation specifically for European Portuguese. Video Captions and Subtitles
As of April 2026, X has integrated its to provide seamless, real-time translation for posts as users scroll.