Overview
- The update is live in Thailand and Vietnam with firmware version G990EXXUIHYJ2 and a download of roughly 2GB.
- This release carries the September 2025 security patch.
- One UI 8 adds refreshed designs for Samsung Internet, Quick Share and Weather, more Modes & Routines actions, a more customizable Quick Panel, expanded lock screen options, Now Brief enhancements and better split-screen support.
- Samsung has not provided a timeline for other regions, though broader rollouts typically follow initial launches.
- Launched with Android 12, the Galaxy S21 FE previously received Android 13, 14 and 15, and it is now expected to get about 15 more months of security patches without further Android version upgrades.