
| Parameter | Value | |
|---|---|---|
| Designer | AMJAD ALY | |
| Size | 18.73 MB | |
| Format | MTZ | |
| Compatibility | HyperOS, MIUI | Moody Urban Skyline Visuals |
Grey Building V15 embraces a muted steel‑gray palette punctuated by neon accents. Backgrounds mimic overcast skylines, giving the lock screen a cinematic depth. Icons receive a subtle bevel, each glyph trimmed to a uniform 1 px stroke that whispers rather than shouts. The always‑on display inherits the same gradient, ensuring night‑time glance‑ability without draining battery. Wallpapers rotate between three high‑resolution cityscapes, each calibrated for both OLED and LCD panels. Status bar icons adopt a semi‑transparent overlay, preserving readability while staying true to the theme’s low‑key vibe.
Suggested Read: Trending HyperOS x MIUI Theme: Sleek Minimalist Vibes
Ideal Users and Everyday Appeal
Fans of minimalism with a hint of cyber‑edge gravitate toward this pack. It suits professionals who need a clean workspace yet enjoy a dash of personality. Gamers who prefer a dark UI for reduced eye strain find the contrast ideal. The theme also resonates with fans of “industrial chic” décor, as the grayscale foundation mirrors concrete, metal, and brushed steel. Because the design avoids overt branding, it works on any Xiaomi, Redmi or POCO model, from flagship to budget tier. Users seeking a quick visual overhaul without learning new navigation gestures will feel at home.Compatibility Checklist and Installation Flow
The theme declares compatibility with HyperOS and MIUI, covering both stock and global stable ROMs. It also runs on custom HyperOS‑based ROMs such as Xiaomi EU and MIUIRoom, provided the Theme Store app is present. Installation steps are straightforward: 1. Download the MTZ file from the official link. 2. Open the Theme Store app → tap Themes → scroll to Import. 3. Locate the downloaded file, confirm import, then apply. 4. Restart the device to clear residual caches. If the built‑in import fails, switching the browser from the default to Chrome often resolves the “Open in app” hiccup. The theme respects system‑wide dark mode settings, automatically toggling the AOD palette when the device switches to night mode.Pros and Cons
Pros - Cohesive grayscale aesthetic with tasteful neon highlights. - Lightweight file size, minimal impact on performance. - Full compatibility across HyperOS, MIUI, and popular custom ROMs. - Flexible icon‑style toggle for extra minimalism. - Well‑optimized for both OLED and LCD displays.Cons
- Limited color variety; users craving vibrant palettes may feel constrained.
- No built‑in widget redesign; stock widgets retain original look.
- AOD customization is fixed; advanced users cannot alter clock style without third‑party tools.
- Requires Theme Store app; devices lacking the app need manual installation.
Overall, Grey Building V15 delivers a polished, low‑key makeover that respects battery life and system resources. Its urban‑inspired visuals suit a wide audience, while the straightforward install process ensures even newcomers can refresh their device in minutes.
Theme Preview
Grey_Building V15 Theme mtz File
Download FileHelpful links
More HyperOS themesMore Theme Updates
For more curated HyperOS and MIUI theme updates, visit Hyper OS x MIUI.Theme Preview

Download Links
Use the buttons below to open the theme file and the supporting link.
Get daily updates of cool HyperOS & MIUI themes for free!
Join Telegram