Hello XDA users! So after a couple of days trying to compile this rom, finally I have been able to, so here you have, enjoy it and give me your feedbacks!
What is XenonHD?
XenonHD is a custom firmware aka ROM for various Android devices. It is based on AOSP and LineageOS with additional features, performance and battery life improvements.
What's so good about this rom?
It is completely customizable, its stock launcher is Nova, and have substatrum available without the needing root, as well as the long-awaited FM Radio running.
RIL (Calls, SMS, Data)
Fingerprint
VoLTE
Wi-Fi
Bluetooth
Camera
Camcorder
Video Playback
Audio
Sensors
Flash
LED
GPS
FM
IR
Third party cam-apps
Probably more I missed



1-Nougat downgrade
2-Boot deadman's recovery
3-Wipe factory reset
4-Copy rom zip, gapps and magisk to internal storage(or sdcard, your choose)
5-Flash ROM
6-Reboot to bootloader
7-Boot deadman's recovery
8-Flash magisk
9-Flash Gapps
10-Reboot in system
Rom
Mega
Google Drive
Android File Host
Previous builds
Gapps: http://opengapps.org
Recovery: https://androidfilehost.com/?fid=673791459329066004
Device tree: https://github.com/blackarashi/android_device_xiaomi_tissot
Vendor:https://github.com/ghpranav/android_vendor_xiaomi_tissot
Kernel: https://github.com/ghpranav/android_kernel_xiaomi_msm8953_dm
Thanks to @deadman96385 for the major work on tree and custom recovery
Thanks to @ghpranav for the sources which I based on
Thanks to Team Horizon for the sources of XenonHD
BIG thanks to @hashtrash and thanks to @vresa24 for testing
What is XenonHD?
XenonHD is a custom firmware aka ROM for various Android devices. It is based on AOSP and LineageOS with additional features, performance and battery life improvements.
What's so good about this rom?
It is completely customizable, its stock launcher is Nova, and have substatrum available without the needing root, as well as the long-awaited FM Radio running.
RIL (Calls, SMS, Data)
Fingerprint
VoLTE
Wi-Fi
Bluetooth
Camera
Camcorder
Video Playback
Audio
Sensors
Flash
LED
GPS
FM
IR
Third party cam-apps
Probably more I missed



1-Nougat downgrade
2-Boot deadman's recovery
3-Wipe factory reset
4-Copy rom zip, gapps and magisk to internal storage(or sdcard, your choose)
5-Flash ROM
6-Reboot to bootloader
7-Boot deadman's recovery
8-Flash magisk
9-Flash Gapps
10-Reboot in system
Rom
Mega
Google Drive
Android File Host
Previous builds
Gapps: http://opengapps.org
Recovery: https://androidfilehost.com/?fid=673791459329066004
Device tree: https://github.com/blackarashi/android_device_xiaomi_tissot
Vendor:https://github.com/ghpranav/android_vendor_xiaomi_tissot
Kernel: https://github.com/ghpranav/android_kernel_xiaomi_msm8953_dm
Thanks to @deadman96385 for the major work on tree and custom recovery
Thanks to @ghpranav for the sources which I based on
Thanks to Team Horizon for the sources of XenonHD
BIG thanks to @hashtrash and thanks to @vresa24 for testing
XDA:DevDB Information
[7.1.2] XenonHD for tissot, ROM for the Xiaomi Mi A1
Contributors
black_arashi
ROM OS Version: 7.x Nougat
ROM Kernel: Linux 3.x
Based On: AOSP
Version Information
Status: Beta
Beta Release Date: 2018-02-22
Created 2018-02-22
Last Updated 2018-02-24
Last edited: