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Samsung Galaxy S21 (SM-G991B) - MBM - G991BXXU4BULF firmware
| PDA | G991BXXU4BULF |
| Product Code | MBM |
| Security Patch | 2022-01-01 |
| Country | |
| Model | SM-G991B |
| Product Code | MBM |
| Security Patch | 2022-01-01 |
| OS Version | Android 12 |
| PDA | G991BXXU4BULF |
| CSC | G991BOXM4BULF |
| Build Date | 2021-12-23 |
| Changelist | 23365054 |
| Country | |
| Model | SM-G991B |
| OS Version | Android 12 |
| CSC | G991BOXM4BULF |
| Build Date | 2021-12-23 |
| Changelist | 23365054 |
