| Model | MIUI | File Type | Method | Android | Upload |
|---|---|---|---|---|---|
| Redmi K70 Ultra (China) | OS3.0.5.0.WNNCNXM | China Stable | Fastboot | 16.0 | 12/25/2025 |
| Redmi K70 Ultra (China) | OS2.0.105.0.VNNCNXM | China Stable | Fastboot | 15.0 | 03/08/2025 |
| Redmi K70 Ultra (China) | OS1.0.29.0.UNNCNXM | China Stable | Recovery | 14.0 | 01/27/2025 |
| Redmi K70 Ultra (China) | OS2.0.13.0.VNNCNXM | China Stable | Recovery | 15.0 | 01/27/2025 |
| Redmi K70 Ultra (China) | OS2.0.103.0.VNNCNXM | China Stable | Recovery | 15.0 | 01/27/2025 |
| Redmi K70 Ultra (China) | OS2.0.13.0.VNNCNXM | China Stable | Fastboot | 15.0 | 01/25/2025 |
| Redmi K70 Ultra (China) | OS2.0.103.0.VNNCNXM | China Stable | Fastboot | 15.0 | 01/25/2025 |
| Redmi K70 Ultra (China) | V816.0.22.0.UNNCNXM | China Stable | Fastboot | 14.0 | 01/10/2025 |
| Redmi K70 Ultra (China) | V816.0.27.0.UNNCNXM | China Stable | Fastboot | 14.0 | 01/03/2025 |