| Model | MIUI | File Type | Method | Android | Upload |
|---|---|---|---|---|---|
| Redmi K70 Ultra (GLOBAL_DC) | OS3.0.4.0.WNNMIDC | Global Stable | Fastboot | 16.0 | 08/03/2026 |
| Redmi K70 Ultra (Japan) | OS3.0.3.0.WNNJPXM | Global Stable | Fastboot | 16.0 | 08/03/2026 |
| Redmi K70 Ultra (Turkey) | OS3.0.301.0.WNNTRXM | Global Stable | Fastboot | 16.0 | 08/03/2026 |
| Redmi K70 Ultra (Taiwan) | OS3.0.301.0.WNNTWXM | Global Stable | Fastboot | 16.0 | 08/03/2026 |
| Redmi K70 Ultra (EEA) | OS3.0.302.0.WNNEUXM | Global Stable | Fastboot | 16.0 | 08/03/2026 |
| Redmi K70 Ultra (Indo) | OS3.0.301.0.WNNIDXM | Global Stable | Fastboot | 16.0 | 08/03/2026 |
| Redmi K70 Ultra (Russian) | OS3.0.302.0.WNNRUXM | Global Stable | Fastboot | 16.0 | 08/03/2026 |
| Redmi K70 Ultra (Global) | OS3.0.301.0.WNNMIXM | Global Stable | Fastboot | 16.0 | 08/03/2026 |
| Redmi K70 Ultra (China) | OS3.0.303.0.WNNCNXM | China Stable | Fastboot | 16.0 | 08/03/2026 |
| Redmi K70 Ultra (Japan) | OS2.0.205.0.VNNJPXM | Global Stable | Fastboot | 15.0 | 12/26/2025 |
| Redmi K70 Ultra (Turkey) | OS2.0.205.0.VNNTRXM | Global Stable | Fastboot | 15.0 | 12/26/2025 |
| Redmi K70 Ultra (Taiwan) | OS2.0.207.0.VNNTWXM | Global Stable | Fastboot | 15.0 | 12/26/2025 |
| Redmi K70 Ultra (EEA) | OS3.0.3.0.WNNEUXM | Global Stable | Fastboot | 16.0 | 12/26/2025 |
| Redmi K70 Ultra (Indo) | OS2.0.207.0.VNNIDXM | Global Stable | Fastboot | 15.0 | 12/25/2025 |
| Redmi K70 Ultra (Russian) | OS2.0.207.0.VNNRUXM | Global Stable | Fastboot | 15.0 | 12/25/2025 |
| Redmi K70 Ultra (Global) | OS2.0.225.0.WNNMIXM | Global Stable | Fastboot | 16.0 | 12/25/2025 |
| Redmi K70 Ultra (China) | OS3.0.5.0.WNNCNXM | China Stable | Fastboot | 16.0 | 12/25/2025 |
| Redmi K70 Ultra (Japan) | V816.0.7.0.UNNJPXM | Global Stable | Fastboot | 14.0 | 03/08/2025 |
| Redmi K70 Ultra (Taiwan) | OS2.0.102.0.VNNTWXM | Global Stable | Fastboot | 15.0 | 03/08/2025 |
| Redmi K70 Ultra (EEA) | OS2.0.16.0.VNNEUXM | Global Stable | Fastboot | 15.0 | 03/08/2025 |