| Model | MIUI | File Type | Method | Android | Upload |
|---|---|---|---|---|---|
| Redmi S2 (Russian) | V9.5.10.0.OEFRUFA | Global Stable | Fastboot | 8.1 | 01/11/2025 |
| Redmi S2 (Russian) | V10.3.1.0.PEFRUXM | Global Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (Russian) | V11.0.1.0.PEFRUXM | Global Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (Global) | V10.3.3.0.PEFMIXM | Global Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (Global) | V11.0.2.0.PEFMIXM | Global Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (Global) | V11.0.3.0.PEFMIXM | Global Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (Global) | V11.0.5.0.PEFMIXM | Global Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (China) | V10.3.4.0.PEFCNXM | China Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (China) | V11.0.1.0.PEFCNXM | China Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (China) | V11.0.2.0.PEFCNXM | China Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (China) | V11.0.3.0.PEFCNXM | China Stable | Fastboot | 9.0 | 01/11/2025 |
| Redmi S2 (Russian) | V10.2.2.0.OEFRUXM | Global Stable | Fastboot | 8.1 | 01/05/2025 |
| Redmi S2 (EU) | V10.3.4.0.OEFCNXM | EU Stable | Recovery | 8.1 | 01/05/2025 |
| Redmi S2 (Global) | V10.3.1.0.OEFMIXM | Global Stable | Fastboot | 8.1 | 01/05/2025 |
| Redmi S2 (China) | V10.3.4.0.OEFCNXM | China Stable | Fastboot | 8.1 | 01/05/2025 |
| Redmi S2 (Russian) | V12.0.1.0.PEFRUXM | Global Stable | Recovery | 9.0 | 01/05/2025 |
| Redmi S2 (Global) | V12.0.2.0.PEFMIXM | Global Stable | Recovery | 9.0 | 01/05/2025 |
| Redmi S2 (China) | V12.0.4.0.PEFCNXM | China Stable | Recovery | 9.0 | 01/05/2025 |
| Xiaomi Redmi S2 (EU) | V12.0.4.0.PEFCNXM | EU Stable | Recovery | 9.0 | 12/25/2024 |
| Xiaomi Redmi S2 (Russian) | V12.0.1.0.PEFRUXM | Russian Stable | Fastboot | 9.0 | 12/25/2024 |