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Samsung Galaxy S21 (SM-G991U) - CHA - G991USQS4AUFD firmware
| PDA | G991USQS4AUFD |
| Product Code | CHA |
| Security Patch | 2021-07-01 |
| Country | |
| Model | SM-G991U |
| Product Code | CHA |
| Security Patch | 2021-07-01 |
| OS Version | Android 11 |
| PDA | G991USQS4AUFD |
| CSC | G991UOYN4AUFD |
| Build Date | 2021-06-18 |
| Changelist | 21556280 |
| Country | |
| Model | SM-G991U |
| OS Version | Android 11 |
| CSC | G991UOYN4AUFD |
| Build Date | 2021-06-18 |
| Changelist | 21556280 |
