| Device: | Galaxy S21 Ultra 5G |
| Model: | SM-G998B |
| PDA/AP version: | G998BXXU1AUB9 |
| CSC version: | G998BOXM1AUB9 |
| Modem version: | G998BXXU1AUB8 |
| Region code: | SER |
| Region/Country name: |  Russia |
| Build Date: | 2021-02-15 |
| Changelist: | 20701476 |
| OS: | R |
| OS version: | 11 |
| File size: | 7.57GB |
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