Firmware List:
# Model Version Region OS Size
1 SM-G991U G991USQU2AUC8 CHA R(Android 11) 6.38 GB Download
2 SM-G991U G991USQU2AUB5 CHA R(Android 11) 6.44 GB Download
3 SM-G991U G991USQU1AUAI CHA R(Android 11) 6.44 GB Download