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Samsung Galaxy S21 (SM-G991B) - COB - G991BXXSEGXL2 firmware
| PDA | G991BXXSEGXL2 |
| Product Code | COB |
| Security Patch | 2025-01-01 |
| Country | |
| Model | SM-G991B |
| Product Code | COB |
| Security Patch | 2025-01-01 |
| OS Version | Android 14 |
| PDA | G991BXXSEGXL2 |
| CSC | G991BOWOEGXJE |
| Build Date | 2024-12-31 |
| Changelist | 28579955 |
| Country | |
| Model | SM-G991B |
| OS Version | Android 14 |
| CSC | G991BOWOEGXJE |
| Build Date | 2024-12-31 |
| Changelist | 28579955 |
