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Samsung Galaxy S21 (SM-G991N) - KOO - G991NKSS2AUBB firmware
| PDA | G991NKSS2AUBB |
| Product Code | KOO |
| Security Patch | 2021-03-01 |
| Country | |
| Model | SM-G991N |
| Product Code | KOO |
| Security Patch | 2021-03-01 |
| OS Version | Android 11 |
| PDA | G991NKSS2AUBB |
| CSC | G991NOKR2AUBB |
| Build Date | 2021-02-23 |
| Changelist | 20701476 |
| Country | |
| Model | SM-G991N |
| OS Version | Android 11 |
| CSC | G991NOKR2AUBB |
| Build Date | 2021-02-23 |
| Changelist | 20701476 |
