. Open the Themes app, go to "My Account" > "Themes," and select the new dark theme. Customize Icons
First, let’s demystify the name. is not an operating system; it is a theming module or a modified theme file designed specifically for devices running Xiaomi’s HyperOS (the successor to MIUI) or MIUI 14/15. The "Dark" in the name refers to its primary focus: delivering an aggressive, uniform, and aesthetically superior dark mode across all applications, including those that typically resist third-party theming.
Download only from trusted sources, follow the installation guide precisely, reboot after applying, and you will transform your HyperOS experience. Your eyes (and your battery) will thank you.
Before downloading, verify compatibility. The APK works on:
