Firmware Direct Download Pricing News App

© 2015, 2026 Samfrew.com

Disclaimer: Flashing Samsung firmware is a risky process that can potentially brick your device. By flashing firmware, you are modifying the software on your device, and if anything goes wrong, your device may become unusable.

[email protected] Privacy Policy Terms of Service

Home / Firmware / SM-G991B / IUS

Firmware G991BXXSJHZC2

Device Galaxy S21 5G

Model SM-G991B

Region IUS

OS Android 15

Release Date 3/9/2026

Upload Date 3/25/2026

PDA G991BXXSJHZC2

CSC G991BOWOJHZC2

Changelist 30959686

Size 9083733312 bytes (approx. 8.5 GB)

Samsung Galaxy S21 5G (SM-G991B) Android 15 Firmware (G991BXXSJHZC2) – IUS | SamFrew