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Samsung Galaxy S21 5G (SM-G991N) Android 15 Firmware (G991NKSSCHZA9) – SKC | SamFrew

Home / Firmware / SM-G991N / SKC

Firmware G991NKSSCHZA9

Device Galaxy S21 5G

Model SM-G991N

Region SKC

OS Android 15

Release Date 3/5/2026

Upload Date 3/12/2026

PDA G991NKSSCHZA9

CSC G991NOKRCHZA9

Changelist 30959686

Size 8099315632 bytes (approx. 7.5 GB)