The name OX K-C HyperOS theme gave me absolutely nothing to go on beforehand, no hint of color scheme, style, or theme, so I downloaded it onto my POCO X6 purely on the strength of the file size alone. An 84.3 MB theme with a name that cryptic usually means either a lot of substance packed in or a lot of unnecessary bloat, and I wanted to find out which one this was before writing it off either way.
OX K-C HyperOS theme Features
- Redesigned Lock Screen: The lock screen departs from the stock HyperOS layout with a cleaner arrangement of clock and notification elements. It felt distinctly different from the default the moment I unlocked my POCO X6 after applying it, rather than a subtle recolor pretending to be a redesign.
- Stylish Custom Icon Pack Icons follow a consistent, deliberately designed style rather than a rough recoloring of stock assets. Coverage across my commonly installed apps was fairly solid, though a couple of niche apps kept their original icons, which tends to happen even with well put together icon packs.
- Revamped Control Centre: Swiping down brings up a Control Center that looks genuinely different from stock HyperOS, with reworked toggle styling and spacing throughout. Everything stayed responsive when I tested rapid switching between Wi-Fi and Bluetooth a few times.
- System-Wide UI Changes: The theme extends into the Dialer, Settings, and Messages apps rather than stopping at the home screen. This reach is what separates a genuinely complete theme from a simple icon swap, and OX K-C handled it consistently across every app I checked.
- New Home Screen Widgets: Beyond a basic digital clock, there are additional widget options bundled into the package. Swapping in one of the alternate widgets didn’t cause any display issues or misalignment on the X6.
OX K-C HyperOS theme Preview


The visual style leans toward a clean, structured look rather than anything overly decorative, with the redesigned lock screen and Control Center doing most of the visual heavy lifting. Icons stay consistent in shape and tone across the home screen and app drawer, avoiding the mismatched feel some free icon packs end up with.
Given the file size, there’s clearly more packed into the system-wide theming here than a typical lightweight release, which shows up in how thoroughly the Dialer, Settings, and Messages apps got reworked.
OX K-C HyperOS Theme Details
| Detail | Info |
|---|---|
| Theme Name | OX K-C |
| Designer | osman |
| Compatibility | HyperOS |
| Features | Custom Lock Screen, New Icons, Widgets, Control Center |
| File Size | 84.3 MB |
OX K-C HyperOS theme Performance
I used OX K-C HyperOS theme on a POCO X6 through daily use covering messaging, browsing, and a few gaming sessions to check for any slowdown given the larger file size. Installation took noticeably longer than smaller themes, but once applied, I didn’t notice any lag opening the app drawer or switching between home screens.
The Control Center stayed responsive throughout testing, and battery drain stayed close to my usual baseline without any dramatic extra pull. The only minor issue was the couple of unthemed niche app icons standing out slightly against the rest of the redesigned set.
OX K-C HyperOS theme’s Compatibility
OX K-C HyperOS theme is listed as compatible with HyperOS broadly, without a specific breakdown between HyperOS 2.0 and HyperOS 3.0 versions. I tested it on a POCO X6 without running into problems, though since the designer doesn’t specify version-level compatibility, results on the newest HyperOS 3.0 builds may vary slightly, particularly with icon or Control Center rendering.
It’s not intended for MIUI 12, 13, or 14 devices, so applying it outside of HyperOS isn’t recommended. Custom ROM users on Xiaomi.eu, MIUIRoom, or similar HyperOS-based builds should be able to import the MTZ file without major issues, though given the file size, expect a longer installation process than with smaller themes.
Get OX K-C HyperOS theme
Download OX K-C through the official Xiaomi Theme Store link rather than third-party APK sites or random file-sharing pages offering the same theme. Given the file size, downloading from unverified sources carries extra risk of an incomplete or tampered file, so sticking with the official Theme Store is the safer route.
Note: If the Official Theme Store Link doesn’t redirect properly, try opening the page in Chrome or the default Xiaomi browser, since other browsers may not handle the redirect correctly.
How to Apply OX K-C HyperOS Theme
Follow the steps below to apply the theme:
- Open the Theme Store Link given above on your Xiaomi / REDMI / POCO device
- This will redirect you to Theme Store.
- Download and install the theme
- Tap on Apply
- Customize specific elements (icons, lock screen, status bar) if needed
- Reboot your device (optional for full effect)
Why Choose OX K-C HyperOS Theme?
- Redesigned lock screen genuinely feels different from stock HyperOS, not just recolored
- System-wide changes reach the Dialer, Settings, and Messages apps, not just the home screen
- Control Center redesign stays responsive and doesn’t slow down quick toggle switching
- Additional home screen widget options go beyond a basic clock
- The larger file size translates into real depth rather than unnecessary bloat
Conclusion
Testing OX K-C HyperOS theme on my POCO X6 answered the question the cryptic name couldn’t, this is a genuinely thorough theme rather than a bloated one, with customization reaching well past the home screen into the Dialer, Settings, and Control Center. It’s not without small gaps, a couple of niche app icons never got themed, and the install itself takes longer given the file size.
Compared to other system-wide HyperOS themes I’ve tried, OX K-C backs up its size with real substance rather than padding. If you want a theme that feels complete rather than partial, it’s worth the longer download.
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