Firmware 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

Samsung Galaxy S21 5G (SM-G991U) Android 15 Firmware (G991USQSJHZAA) – CCT | SamFrew

Home / Firmware / SM-G991U / CCT

Firmware G991USQSJHZAA

Device Galaxy S21 5G

Model SM-G991U

Region CCT

OS Android 15

Release Date 1/19/2026

Upload Date 1/29/2026

PDA G991USQSJHZAA

CSC G991UOYNJHZAA

Changelist 30959686

Size 8372512832 bytes (approx. 7.8 GB)