Xiaomi 14T Pro / Redmi K70 Ultra (rothko) HyperOS 3 & 2 Fastboot ROMs
Xiaomi 14T Pro and its twin Redmi K70 Ultra share the flagship‑class Dimensity 9300+ chipset, 6.67‑inch high‑refresh AMOLED display and big battery, sitting just below Xiaomi’s ultra‑premium line. Owners still report typical HyperOS problems such as animation jank, heat under load, and battery drain or stutters after several OTAs, especially on early HyperOS 2 builds.
The official HyperOS 3 / Android 16 and HyperOS 2 / Android 15 fastboot ROMs below let you clean‑flash region‑correct firmware, unbrick devices and move to Xiaomi’s latest stable baselines for codename rothko.
Download Firmware for Xiaomi 14T Pro / Redmi K70 Ultra
All packages here are official fastboot ROMs for Xiaomi 14T Pro / Redmi K70 Ultra (codename rothko). WNNCNXM, WNNMIXM and WNNEUXM builds already run Android 16 with the HyperOS 3 global rollout, while the VNN* builds for Russia, Indonesia, Taiwan, Turkey, Japan and MIDC variants remain on Android 15 HyperOS 2.
| Filename | Region / Variant | Build Number | Build Date | Android Version | Flashing Method | File Size | Notes | Download |
|---|---|---|---|---|---|---|---|---|
| rothko_images_OS3.0.3.0.WNNCNXM_20251107.0000.00_16.0_cn_1909e51601.tgz | China – Redmi K70 Ultra CN | OS3.0.3.0.WNNCNXM | 2025‑11‑07 | Android 16 (HyperOS 3) | Fastboot (Xiaomi Flash Tool) | 8.98 GB | Latest China HyperOS 3 fastboot ROM for rothko; HyperOS update trackers list OS3.0.3.0.WNNCNXM as Android 16 with refined animations, AI features and October/November‑era security patches. | Download from Xiaomi server |
| rothko_global_images_OS2.0.225.0.WNNMIXM_20251105.0000.00_16.0_global_8fac6966f2.tgz | Global – Xiaomi 14T Pro Global | OS2.0.225.0.WNNMIXM | 2025‑11‑05 | Android 16 (HyperOS 3 Global) | Fastboot (Xiaomi Flash Tool) | 8.26 GB | Global HyperOS 3 fastboot ROM; firmware mirrors confirm OS2.0.225.0.WNNMIXM as an Android 16 release and Xiaomi 14T series blogs describe it as part of the HyperOS 3 global rollout. | Download from Xiaomi server |
| rothko_eea_global_images_OS2.0.226.0.WNNEUXM_20251105.0000.00_16.0_eea_7b0dcde633.tgz | EEA / Europe – Xiaomi 14T Pro EU | OS2.0.226.0.WNNEUXM | 2025‑11‑05 | Android 16 (HyperOS 3 EEA) | Fastboot (Xiaomi Flash Tool) | 7.71 GB | Newest EEA Android 16 fastboot ROM for rothko; firmware lists OS2.0.226.0.WNNEUXM as the latest European HyperOS 3 build, recommended for a clean install on Xiaomi 14T Pro / Redmi K70 Ultra EEA units. | Download from Xiaomi server |
| rothko_ru_global_images_OS2.0.207.0.VNNRUXM_20251106.0000.00_15.0_ru_ab83732f52.tgz | Russia – Xiaomi 14T Pro / K70 Ultra RU | OS2.0.207.0.VNNRUXM | 2025‑11‑06 | Android 15 (HyperOS 2) | Fastboot (Xiaomi Flash Tool) | 7.98 GB | Latest Russia HyperOS 2 Android 15 fastboot ROM; XM Firmware Updater shows OS2.0.206.0.VNNRUXM as the previous RU build, so this 207.0 package is the newer, more stable baseline. | Download from Xiaomi server |
| rothko_id_global_images_OS2.0.207.0.VNNIDXM_20251103.0000.00_15.0_id_ba03378a96.tgz | Indonesia – Xiaomi 14T Pro / K70 Ultra ID | OS2.0.207.0.VNNIDXM | 2025‑11‑03 | Android 15 (HyperOS 2) | Fastboot (Xiaomi Flash Tool) | 7.35 GB | Indonesia HyperOS 2 fastboot ROM; HyperOS update lists earlier OS2.0.206.0.VNNIDXM builds, so flashing 207.0 keeps Indonesian owners on the current tuned Android 15 firmware while they wait for an Android 16 wave. | Download from Xiaomi server |
| rothko_tw_global_images_OS2.0.207.0.VNNTWXM_20251106.0000.00_15.0_tw_21ae734049.tgz | Taiwan – Xiaomi 14T Pro / K70 Ultra TW | OS2.0.207.0.VNNTWXM | 2025‑11‑06 | Android 15 (HyperOS 2) | Fastboot (Xiaomi Flash Tool) | 6.78 GB | Taiwan Android 15 fastboot ROM; firmware trackers show VNNTWXM as the Taiwan series for Xiaomi 14T Pro, with 207.0 as the latest stable HyperOS 2. | Download from Xiaomi server |
| rothko_tr_global_images_OS2.0.205.0.VNNTRXM_20251106.0000.00_15.0_tr_338d455feb.tgz | Turkey – Xiaomi 14T Pro / K70 Ultra TR | OS2.0.205.0.VNNTRXM | 2025‑11‑06 | Android 15 (HyperOS 2) | Fastboot (Xiaomi Flash Tool) | 7.30 GB | Turkey HyperOS 2 fastboot ROM; XM Firmware lists OS2.0.204.0.VNNTRXM as the prior TR build, so 205.0 is the latest step with security and stability fixes. | Download from Xiaomi server |
| rothko_jp_global_images_OS2.0.205.0.VNNJPXM_20251106.0000.00_15.0_jp_0d1ea191ac.tgz | Japan – Xiaomi 14T Pro JP | OS2.0.205.0.VNNJPXM | 2025‑11‑06 | Android 15 (HyperOS 2) | Fastboot (Xiaomi Flash Tool) | 7.28 GB | Japan HyperOS 2 fastboot ROM; XiaomiROM and XM Firmware list VNNJPXM as the Japan branch for rothko, with 205.0 currently the newest Android 15 release. | Download from Xiaomi server |
| rothko_dc_global_images_OS2.0.3.0.VNNMIDC_20241226.0000.00_15.0_global_dc_6248adf0c4.tgz | Global MIDC / demo (special) | OS2.0.3.0.VNNMIDC | 2024‑12‑26 | Android 15 (early HyperOS 2) | Fastboot (Xiaomi Flash Tool) | 6.48 GB | Early Android 15 HyperOS 2 fastboot ROM tagged VNNMIDC; firmware sites describe MIDC as a special/demo global series, so regular users should avoid this older build unless their device originally shipped with a MIDC ROM. | Download from Xiaomi server |
In general, WNNCNXM, WNNMIXM and WNNEUXM are the Android 16 HyperOS 3 series, while the VNN* codes are still Android 15 HyperOS 2, so choose the newest build that matches the suffix on your current HyperOS version screen.
Complete Device & Firmware Overview
- Device & codename
- Redmi K70 Ultra (China) and Xiaomi 14T Pro (global) both share the internal codename rothko in Xiaomi’s firmware and HyperOS code.
- Position in lineup
- These phones are upper‑tier flagships below the Ultra line, pairing a flagship Dimensity 9300+ SoC with aggressive pricing in China and Europe.
- Core specs
- HyperOS update pages list a 6.67‑inch display, Dimensity 9300+, and up to 24 GB RAM with up to 1 TB storage, giving rothko strong gaming and multitasking performance.
- Current OS branches
- China WNNCNXM and global/EEA WNNMIXM/WNNEUXM are already on Android 16 with HyperOS 3, while Russia, Indonesia, Taiwan, Turkey, Japan and MIDC are on Android 15 HyperOS 2.
- HyperOS complaints
- Across Xiaomi devices, users describe HyperOS as occasionally laggy with heavy animations and battery drain, especially on early 2.0 builds, motivating many rothko owners to perform clean flashes of newer ROMs.
- Firmware type here
- All files listed are official fastboot ROMs in .tgz format for Xiaomi’s fastboot‑based tools on Windows, not recovery ZIPs for in‑device updating.
- Bootloader rules
- HyperOS.fans notes that you must unlock the bootloader to flash fastboot ROMs on rothko, and Xiaomi’s anti‑rollback protections make unsafe downgrades or cross‑region mixes risky.
- Best use‑cases
- Use these ROMs to unbrick a device stuck in fastboot, to clean‑install Android 16 HyperOS 3 on matching WNN* devices, or to refresh an unstable HyperOS 2 installation on VNN* regions.
CRUCIAL WARNING: These fastboot ROMs are strictly for Redmi K70 Ultra / Xiaomi 14T Pro with codename rothko; they must not be flashed to Xiaomi 14T (degas), MIX Fold, MIX Flip, or any other codename, or you risk permanently bricking the phone.
Each build is region‑locked by code (WNNCNXM, WNNMIXM, WNNEUXM, VNNRUXM, VNNIDXM, VNNTWXM, VNNTRXM, VNNJPXM, VNNMIDC), so you should normally flash the ROM that matches your phone’s original region and avoid casual cross‑region or downgrade flashing while anti‑rollback is active on modern HyperOS devices.
All official rothko_*.tgz fastboot packages will wipe user data when used with Xiaomi’s tools, and selecting options like “clean all and lock” on a mismatched region can relock the bootloader on unsupported firmware and lead to boot loops or network loss.
Preparation Before Flashing
Click here for the Xiaomi 14T Pro / Redmi K70 Ultra pre‑flash checklist
- Confirm codename & region: Boot to fastboot and run fastboot getvar product; only proceed if it returns rothko, then check Settings → About phone to read your current suffix (WNNCNXM, WNNMIXM, WNNEUXM, VNNRUXM, VNNIDXM, VNNTWXM, VNNTRXM, VNNJPXM or VNNMIDC).
- Pick the correct branch: For a normal upgrade, stay on your own region series (for example, move a Global device to OS2.0.225.0.WNNMIXM, or an EEA device to OS2.0.226.0.WNNEUXM) instead of switching to China or MIDC builds.
- Backup your data: Fastboot flashing performs a clean install and erases apps, media and settings, so back up to Xiaomi Cloud, Google or a PC before starting.
- Charge to at least 50–60%: Ensure the battery is well above 50% to avoid shutdown during flashing, which can corrupt partitions on this flagship SOC.
- Install drivers & tools: On a Windows PC, install Xiaomi USB drivers and Xiaomi Flash Tool (MiFlash or similar) and verify that your rothko device is detected correctly in fastboot mode.
Quick Firmware Flash Instructions
This simplified guide covers flashing a fastboot ROM flash file such as rothko_global_images_OS2.0.225.0.WNNMIXM_20251105.0000.00_16.0_global_8fac6966f2.tgz using Xiaomi’s fastboot flashing tool on a Windows PC.
- Prepare PC & ROM: Install Xiaomi USB drivers and Xiaomi Flash Tool, then download the correct rothko_…images_… TGZ and extract it fully to a short path such as C:\rothko_rom.
- Enter fastboot mode: Power off the phone, hold Volume Down + Power until the fastboot logo appears, and connect the device to the PC with a reliable USB‑C cable.
- Select firmware in MiFlash: Open Xiaomi Flash Tool, click “Select” and choose the extracted ROM folder, then press “Refresh” to ensure one device with codename rothko is listed.
- Flash with “clean all”: Choose the “clean all” option (wipes data, keeps the bootloader unlocked), click “Flash” and wait patiently until the tool reports success without disconnecting the phone.
- First boot & verify: The first boot into HyperOS can take several minutes while apps are optimized; afterwards, open About phone to confirm codename, region suffix and build number match the ROM you installed.
For a more detailed, screenshot‑rich walkthrough of Xiaomi fastboot flashing, follow the main Xiaomi fastboot firmware guide and simply point it to your extracted rothko_*.tgz folder when prompted to select a ROM.
Frequently Asked Questions (FAQs)
- Q1. Which ROM should I choose for my Xiaomi 14T Pro / Redmi K70 Ultra?
- The safest option is always the latest build that matches your original region: OS3.0.3.0.WNNCNXM for China, OS2.0.225.0.WNNMIXM for Global, OS2.0.226.0.WNNEUXM for EEA, OS2.0.207.0.VNNRUXM for Russia, OS2.0.207.0.VNNIDXM for Indonesia, OS2.0.207.0.VNNTWXM for Taiwan, OS2.0.205.0.VNNTRXM for Turkey or OS2.0.205.0.VNNJPXM for Japan.
- Q2. Are WNNMIXM and WNNEUXM really Android 16 even though they are “OS2.0” builds?
- Yes; firmware trackers explicitly tag OS2.0.225.0.WNNMIXM and OS2.0.226.0.WNNEUXM as Android 16, and HyperOS news confirms they are part of the HyperOS 3 global update for the Xiaomi 14T series.
- Q3. Do these ROMs fix HyperOS lag and battery drain?
- Later HyperOS 2.2/3.0 updates for rothko focus on smoother animations and better resource management, and many users find a clean flash of the newest ROM more stable than stacking OTAs, though overall heat and drain still depend on Dimensity 9300+ and usage.
- Q4. Can I flash China WNNCNXM on a Global or EEA Xiaomi 14T Pro to get features faster?
- Advanced users sometimes cross‑flash, but differences in modem configuration, features and anti‑rollback make it risky; for most owners, staying on the proper WNNMIXM or WNNEUXM series is strongly recommended.
- Q5. What is the VNNMIDC build and should I use it?
- VNNMIDC is an early HyperOS 2 Android 15 fastboot ROM for special/demo global units; unless your device came with a MIDC ROM out of the box, you should avoid this older build and pick the normal MIXM/EUXM/RUXM/IDXM/TRXM/TWXM series instead.
