⏩ Download the latest Samsung firmware ✅ SM-G991B ⭐ COS. Full list of firmwares available for download
| Device | Model | Region | PDA/AP Version | Os Version | Build Date | ||
|---|---|---|---|---|---|---|---|
| Samsung Galaxy S21 5G | SM-G991B | COS | G991BXXU2AUC8/G991BOXM2AUC8/G991BXXU2AUC8 | 11 | |||
| Samsung Galaxy S21 5G | SM-G991B | COS | G991BXXS2AUBB/G991BOXM2AUBB/G991BXXU2AUBB | 11 | |||
| Samsung Galaxy S21 5G | SM-G991B | COS | G991BXXU1AUB8/G991BOXM1AUB8/G991BXXU1AUB8 | 11 |