
XenonHD is a custom firmware aka ROM for various Android devices. It is based on CyanogenMod and AOSP with lots of additional features for performance and battery life improvements.
The idea behind XenonHD is to give users a ROM that is "blazing fast, rock stable and buttery smooth and I can guarante, IT IS !!
The idea behind XenonHD is to give users a ROM that is "blazing fast, rock stable and buttery smooth and I can guarante, IT IS !!

Limitless options beautifully packed in a lightning fast operating system.
Everyday Ready & Fully Responsive
XenonHD is rock-stable and ready for everyday use. No lag, no stutters, just buttery smooth experience all along.
Full Substratum and OMS support.
XenonHD supports OMS and Substratum which allows you to change how your user interface looks.
Quick-to-Install and Easy-to-Use
Just flash XenonHD in your favourite recovery + GApps and reboot. That’s it!
Some ROM Features:
NovaLauncher
Substratum
VIPER4Android
Kernel Adiutor
MIXplorer
Optionally dark and light menu theme
OTA Updates
Pixel UI Design & Look
Pixel, Nexus and Samsung system and notification sounds
Extensive Style Options & Unlimited Colors with OMS
Advanced Customization Options
And much more...
NovaLauncher
Substratum
VIPER4Android
Kernel Adiutor
MIXplorer
Optionally dark and light menu theme
OTA Updates
Pixel UI Design & Look
Pixel, Nexus and Samsung system and notification sounds
Extensive Style Options & Unlimited Colors with OMS
Advanced Customization Options
And much more...
!!Full nijel8 based, so everything is working perfectly!!
Switch to the included dark theme under "settings/display". It really looks great and is agreeable to your eyes 

Instructions first installation:
- Download and Flash the latest ROM(clean flash)
- Flash GApps
- Reboot
Update instructions:
- Once you get a notification for a new update, tap on it.
- In OTA app, tap on "ROM" to download the latest build.
- Use Autoflasher ROM flash utility to easy flash the downloaded ROM or flash it manually in your Recovery
Downloads:
HELIUM
GAPPS
CAHNGELOG
Visit us on
EXTRAS:
Autoflasher ROM flash utility (for easy updates):
Sources:
Vendor
Hydrogen device tree
Helium device tree
Kernel
Shared device tree
Credits :
nijel8
CM Team
XenonHD Team
XDA:DevDB Information
XenonHD, ROM for the Xiaomi Mi Max
Contributors
Davehimself, nijel8
Source Code: https://github.com/teamhorizon
ROM OS Version: 7.x Nougat
ROM Kernel: Linux 3.10.x
Based On: nijel8 CM AOSP
Version Information
Status: Stable
Stable Release Date: 2017-07-19
Created 2017-07-19
Last Updated 2017-09-13