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Samsung Galaxy S21 5G (SM-G991B) Android 15 Firmware (G991BXXSFHYE1) – XID | SamFrew

Home / Firmware / SM-G991B / XID

Firmware G991BXXSFHYE1

Device Galaxy S21 5G

Model SM-G991B

Region XID

OS Android 15

Release Date 5/21/2025

Upload Date 5/27/2025

PDA G991BXXSFHYE1

CSC G991BOLEFHYE1

Changelist 30959686

Size 8269102032 bytes (approx. 7.7 GB)