| Model | MIUI | File Type | Method | Android | Upload |
|---|---|---|---|---|---|
| Redmi K50 Ultra (Global) | OS1.0.12.0.ULFEUXM | Global Stable | Recovery | 14.0 | 03/04/2025 |
| Redmi K50 Ultra (China) | OS1.0.13.0.ULFCNXM | China Stable | Recovery | 14.0 | 03/04/2025 |
| Redmi K50 Ultra (Japan) | V13.0.2.0.SLFJPXM | Global Stable | Fastboot | 12.0 | 01/20/2025 |
| Redmi K50 Ultra (Japan) | OS1.0.7.0.ULFJPXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Japan) | V816.0.7.0.ULFJPXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Turkey) | V13.0.2.0.SLFTRXM | Global Stable | Fastboot | 12.0 | 01/20/2025 |
| Redmi K50 Ultra (Turkey) | V816.0.7.0.ULFTRXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Taiwan) | V13.0.4.0.SLFTWXM | Global Stable | Fastboot | 12.0 | 01/20/2025 |
| Redmi K50 Ultra (Taiwan) | OS1.0.9.0.ULFTWXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Taiwan) | V816.0.9.0.ULFTWXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Russian) | V13.0.4.0.SLFRUXM | Global Stable | Fastboot | 12.0 | 01/20/2025 |
| Redmi K50 Ultra (Russian) | OS1.0.7.0.ULFRUXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Russian) | V816.0.7.0.ULFRUXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (EEA) | V13.0.13.0.SLFEUXM | Global Stable | Fastboot | 12.0 | 01/20/2025 |
| Redmi K50 Ultra (EEA) | V816.0.13.0.ULFEUXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Global) | V13.0.4.0.SLFMIXM | Global Stable | Fastboot | 12.0 | 01/20/2025 |
| Redmi K50 Ultra (Global) | OS1.0.9.0.ULFMIXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (Global) | V816.0.9.0.ULFMIXM | Global Stable | Fastboot | 14.0 | 01/20/2025 |
| Redmi K50 Ultra (China) | V13.0.10.0.SLFCNXM | China Stable | Fastboot | 12.0 | 01/20/2025 |
| Redmi K50 Ultra (China) | V816.0.12.0.ULFCNXM | China Stable | Fastboot | 14.0 | 01/20/2025 |