Features
Make your device look and feel great again
Redesigned Settings
We've redesigned the most used menu on your device for better usability and aesthetics.
New way to personalize
Customize your device with your own icons, wallpaper, colors, and more.
Always up-to-date
Security patches and updates are merged as soon as possible to keep your device secure.
Enhanced security
Built with security in mind, protecting your privacy and data at all times.
About Halcyon
In the ever-evolving world of custom ROMs, Halcyon emerges from the ashes of conquerOS, our previous project built on the CodeAuroraForum (CAF) or CodeLinaro (CLO) base. While CAF/CLO served us well for many years, recent developments prompted us to forge a new path. Halcyon retains the spirit of conquerOS, offering a familiar foundation, but breaks free to integrate the latest features from the wider Android development community. As always, stability and quality remain our paramount concern.