The POCO F3 (Alioth) continues to receive feature-packed custom ROMs, and NexiunOS V4 3.0.305 is one of the most comprehensive HyperOS ports currently available. Developed by mr_mishun, this Android 16 ROM is based on the Xiaomi 13 Ultra (Ishtar) firmware and combines Xiaomi’s latest HyperOS features with numerous system modifications, performance optimizations, and customization options.
Designed for users who enjoy a highly customized HyperOS experience, NexiunOS V4 includes an extensive list of modifications ranging from a redesigned launcher and security center to built-in kernel enhancements, Kaorios Toolbox integration, Harman Kardon audio, and many quality-of-life improvements.
The developer also recommends using the ROM for several days after installation, allowing the system to complete background optimization and deliver its best performance.
Screenshots:
NexiunOS V4 Information
- ROM Name: NexiunOS V4 3.0.305
- Android Version: Android 16
- Device: POCO F3 (Alioth)
- ROM Type: HyperOS Port
- Port Base: Xiaomi 13 Ultra (Ishtar)
- File System: EROFS (Read-Only)
- Developer: mr_mishun
- Updated: 14 June 2026
What’s New in NexiunOS V4?
Xiaomi 13 Ultra HyperOS Base
NexiunOS V4 is built using the Xiaomi 13 Ultra firmware, bringing many of Xiaomi’s latest HyperOS features, updated applications, and system improvements to the POCO F3.
EROFS Read-Only System
The ROM uses the EROFS (Enhanced Read-Only File System), providing faster read performance, improved storage efficiency, and a more responsive user experience.
Decrypted ROM
The system is shipped in a decrypted state, making it easier for advanced users to modify, customize, or access system partitions when needed.
Hybrid Installation Support
NexiunOS supports both Recovery and Fastboot installation methods through its hybrid implementation, giving users greater flexibility during flashing.
OrangeFox Recovery Included
The ROM comes with OrangeFox Recovery by default, simplifying installation, updates, and future maintenance.
SukiSU Ultra + SUSFS Kernel
One of the highlights of NexiunOS V4 is the inclusion of SukiSU Ultra together with the SUSFS Kernel, providing built-in support for advanced root environments and system-level customization.
Broad BPF Kernel Compatibility
The ROM supports 4.19 Apex BPF 5.4, allowing compatibility with kernels based on BPF 5.4 without requiring newer BPF 5.10 kernels.
Extensive System Modifications
NexiunOS includes numerous built-in enhancements that improve both appearance and usability.
Some of the major additions include:
- Kaorios Toolbox 2.0.4.0
- NexiunOS LAB
- Leica Camera 6.0
- App Vault V4 Mod
- Launcher V6.7 Mod
- Theme Manager V5 Mod
- Package Installer V2 Mod
- Security Center V5 Mod
- File Explorer Mod
- Screenshot Mod
- Screen Recorder Mod
- Harman Kardon audio enhancements
- Custom wallpapers
- Improved multilingual support
- Enhanced Russian language localization
These modifications create a more feature-rich HyperOS experience while maintaining the familiar Xiaomi interface.
Performance Improvements
The developer has focused on improving overall responsiveness by introducing several optimizations, including:
- Improved system smoothness
- Better resource management
- Fixed notification delays
- Theme reset fixes
- Android Auto compatibility improvements
- Optimized background services
These enhancements aim to deliver a faster and more reliable daily experience.
Additional Features
NexiunOS V4 also introduces several practical features that many users appreciate.
Disable APK Protection
Users have the option to install applications without Xiaomi’s default APK protection restrictions.
Disable FLAG_SECURE
A built-in switch allows users to disable Android’s FLAG_SECURE, enabling screenshots and screen recording in supported applications where this restriction normally applies.
Expanded Status Bar
The ROM supports displaying up to seven status bar icons, allowing more system information to remain visible.
Fake Bootloader State
A simulated bootloader state is included for compatibility with selected applications.
VoLTE Icon and 5G Switch
Additional network enhancements include:
- VoLTE status icon
- Dedicated 5G toggle
PowerKeeper & Joyose Mod
The included PowerKeeper and Joyose Mod provide additional control over refresh rates, including:
- 6Hz mode
- 90Hz mode
- Maximum FPS switch for supported applications
Google Services Included
Google Mobile Services are pre-installed, and the ROM includes Google CTS support by default, improving compatibility with Google applications and services.
Official Changelog
- Xiaomi 13 Ultra (Ishtar) HyperOS base
- Decrypted ROM
- EROFS Read-Only system
- Hybrid Recovery/Fastboot installation
- OrangeFox Recovery
- SukiSU Ultra + SUSFS Kernel
- 4.19 Apex BPF 5.4 support
- Kaorios Toolbox 2.0.4.0
- Disable APK Protect
- Disable FLAG_SECURE switch
- Seven status bar icons
- NexiunOS LAB
- Leica Camera 6.0
- App Vault V4 Mod
- Launcher V6.7 Mod
- Theme Manager V5 Mod
- Package Installer V2 Mod
- Security Center V5 Mod
- File Explorer Mod
- Screenshot and Screen Recorder Mods
- Notification delay fix
- Theme reset fix
- Fake bootloader state
- VoLTE icon
- 5G switch
- Android Auto fix
- Harman Kardon audio
- Custom wallpapers
- Improved multilingual support
- Better Russian localization
- PowerKeeper & Joyose Mod
- Refresh rate controls
- Google Services included
- Google CTS enabled
Credits
Special thanks to everyone who contributed to the development and testing of NexiunOS V4:
Developer
- mr_mishun
Testers
- Vied1q
Contributors
- a0017aa
- KAPKAET
- Nischay_12089
- alidamiri3
- Mrtony01
- zGonzah
- xendr4x
- custombeta
- Andres_Giron
Mod Developers
- kakashi-1v1
- MMETMA
- LLions-Mods
- Kousei_jp
Final Thoughts
NexiunOS V4 3.0.305 is one of the most feature-rich HyperOS ports available for the POCO F3. Rather than focusing solely on performance, it combines extensive customization, modern HyperOS applications, advanced root integration, multimedia enhancements, and numerous quality-of-life improvements into a single package.
With its Xiaomi 13 Ultra base, Android 16 platform, built-in OrangeFox Recovery, SukiSU Ultra support, Harman Kardon audio, Kaorios Toolbox, Leica Camera 6.0, and dozens of system modifications, NexiunOS offers a highly customizable experience for users who want more than a stock HyperOS installation.
As with any custom ROM, it’s recommended to back up all important data before flashing and carefully follow the developer’s installation instructions to ensure a smooth setup.
