Custom ROMs breathe new life into Android devices—and for Poco F3 users, the new MIUI NOKURO v12.6 21.12.1 is a game changer. Designed for gamers and performance enthusiasts, this Android 12 EU-based ROM offers a powerful blend of style, speed, and stability. Let’s dive into what makes this build one of the most exciting options for Poco F3 (Alioth) in 2025.
Screenshots:


























Changelog:
System & Core
- Based on MIUI EU Weekly 21.12.1
- Android 12 base build
- Decrypted ROM
- TWRP recovery included
- 5G firmware included (no need to flash separately)
- Spoofed encryption and bootloader
- Passed basic integrity (use Magisk modules to pass full device integrity)
- Clean flash strongly recommended
- Fixed charging heat issues
- Fixed Aliothin refresh rate and MEMC (Motion Estimation, Motion Compensation)
- Fixed Power Keeper service behavior
Performance & Gaming
- Integrated GPU Drivers 762.10
- GPU Turbo Boost enabled
- Gaming thermals configuration with Nekoyama
- Performance tuned and optimized (thanks to @Sumit_Malik_0)
- Spoofed higher FPS in all games
- iPhone Hokage overlay included for BGMI and PUBG players
Audio, Media & Camera
- Leica Camera version 4.9 added
- Harman Kardon audio unlocked
- Dolby Vision unlocked for Netflix (subscription-dependent)
- Spoofed device to Pixel XL for Snapchat
- Google Photos unlimited backup spoofed
UI & UX Modifications
- Modded Theme Store, App Vault, MIUI Home, and Security app
- Toggle for notification bubbles added
- Notification history enabled
- Data Saver option added
- Refresh rate switcher (60Hz, 90Hz, 120Hz)
- Circle to Search toggle added to Control Center
- Disable Flag Secure toggle (for taking screenshots in restricted apps)
Extras
- 93 preloaded anime wallpapers
- Enhanced battery backup and performance balance
- Stable for daily use with focus on gaming and extended screen-on time
Core Features of MIUI NOKURO v12.6
This is more than just a port. Here’s why this build stands out:
- ✅ Based on MIUI EU Weekly
- ✅ Android 12 with TWRP included
- ✅ 5G Firmware pre-bundled (no flashing required)
- ✅ Realking Kernel 14.8: Known for stability & performance
- ✅ GPU Drivers v762.10 for smoother rendering
- ✅ Decrypted build with full recovery access
- ✅ Battery + Gaming Optimizations
- ✅ Spoofed higher FPS support in games (yes, really)
If you game hard and want better thermals and frame rates, this ROM delivers.
Flashing Guide:
Important: Perform a clean flash if encrypted or switching from another base.
➤ If You’re Encrypted:
- Boot into TWRP or OrangeFox Recovery
- Flash recommended firmware (if coming from MIUI/Hyper)
- Flash the ROM zip
- Flash recovery again (if not included)
- Reboot to Recovery
- Format Data
- Switch to Slot A
- Reboot to System
➤ If Decrypted:
- Just Wipe Dalvik/Cache
- Flash ROM & reboot
➤ Flashing Kernel (Optional):
- Backup
boot.img
,dtbo.img
,vendor_boot.img
- Flash your preferred kernel
- Wipe Dalvik/Cache
- Reboot
Troubleshooting & Notes
Here are some common issues users may face:
Problem | Solution |
---|---|
Device doesn’t boot | Ensure you formatted data after flashing |
No 5G | Use included 5G firmware or follow this guide |
Netflix won’t show HDR | Dolby Vision support may depend on your subscription |
App crash on spoofed apps | Clear cache/data or re-install from Play Store |
CTS fails | Use Magisk modules like Universal SafetyNet Fix to pass |
FAQs
Q1: Is MIUI NOKURO better than official MIUI for Poco F3?
Absolutely. It’s lighter, faster, and comes with tons of unlocked features official builds don’t offer.
Q2: Does this ROM support OTA updates?
No, updates must be flashed manually.
Q3: Is root required?
No, but Magisk works perfectly if you want to root.
Q4: Can I use banking apps?
Yes, with Magisk and SafetyNet Fix, everything works.
Q5: What recovery is compatible?
TWRP and OrangeFox both work great. Flash recovery after ROM if needed.
Final Verdict
If you’re after the best MIUI-based custom ROM for Poco F3, look no further. MIUI NOKURO v12.6 is beautifully tuned for gaming, battery, and daily driving. Thanks to its deep tweaks and unlocked features, it feels like the flagship MIUI Xiaomi should have made.
Install it, game hard, and enjoy the buttery-smooth experience.