- SamsungSM-G991B-CHTfirmwares
- SamsungSM-G991B-CHT firmwares
| Device Name | Model | Region | Version | OS | Build Date | Changelist | ||
| Galaxy S21 5G | SM-G991B | CHTChile | G991BXXU1AUB8 | 11 | 2021-02-11 | 20701476 | Download | |
| Galaxy S21 5G | SM-G991B | CHTChile | G991BXXU1AUAB | 11 | 2021-01-23 | 20701476 | Download | |
| Galaxy S21 5G | SM-G991B | CHTChile | G991BXXU1AUA4 | 11 | 2021-01-06 | 20701476 | Download | |
| Galaxy S21 5G | SM-G991B | CHTChile | G991BXXU1ATLD | 11 | 2020-12-08 | 20456419 | Download | |