| Modelo / Model | SM-G991B Binary 1 U1, S1, Bit 1 |
| Região / País / Country | Brazil |
| Idioma / Language | Multi Linguagem / Language |
| Versão do Android | 11 R |
| Operadora / Operator | Limpa ZTO (sem logo, apps de operadora) |
| PDA | G991BXXU1AUA4 |
| CSC | G991BOWO1AUA4 |
| Product code | ZTO |
| Build Date | Wed, 06 Jan 2021 |
| Security Patch Level | 2021-01-01 (1 Janeiro 2021) |
| Tamanho / Size | 6.5 GB |
Galaxy S21 SM-G991B Binary 1 Android 11 R Brazil ZTO – G991BXXU1AUA4
S21 Plus