OS3.0.303.0.WNNCNXM
Redmi K70 Ultra
rothko
Stable Android 16.0 China
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Version
OS3.0.303.0.WNNCNXM
Android
Android 16.0
Region
China
File Size
7.2 GB

Compatible Device

Redmi K70 Ultra
Redmi K70 Ultra
Xiaomi Redmi K70 Ultra Android smartphone. Announced Jul 2024. Features 6.67″ display, Dimensity 9300+ chipset, 5500 mAh battery, 1024 GB storage, 24 GB RAM, Scratch/drop-resistant glass.
View Device

Firmware Packages

2 available
Redmi K70 Ultra
Recovery
Codenamerothko
BranchStable
VersionOS3.0.303.0.WNNCNXM
AndroidAndroid 16.0
RegionChina
ReleasedJun 17, 2026
Size7.2 GB
MD5
Download Recovery
Redmi K70 Ultra
Fastboot
Codenamerothko
BranchStable
VersionOS3.0.303.0.WNNCNXM
AndroidAndroid 16.0
RegionChina
ReleasedJun 02, 2026
Size9.2 GB
MD5
Download Fastboot

Frequently Asked Questions

Install using the Recovery method. Ensure you have the required tools, back up your data, and follow the official Xiaomi flashing guide for your region to avoid issues.
MIUI is Xiaomi's custom Android skin, now evolving into HyperOS. It provides a refined interface, deep system customization, performance optimizations, and integrated Xiaomi services.
Fastboot flashing rewrites system partitions directly via PC — useful for clean installs or unbricking. Recovery flashing installs the update from within the phone's recovery mode, similar to an OTA update.
All firmware listed here is sourced directly from Xiaomi's official update servers. Always verify the MD5 hash before flashing to confirm file integrity.
MIUI adds features like Dual Apps, Second Space, a rich theme engine, MIUI Security, and deep system-level battery controls — all unavailable in stock Android.