1. OxygenOS M
The theme hides several interesting attributes. The OxygenOS M configuration pack allows you to change the appearance of the icons and update the control center.

The settings menu acquires a minimalistic design that fits perfectly into the dark mode. Its colourful background attracts attention, and the lock screen allows you to change the format of the time. OxygenOS M is available for MIUI 13, 12 and 12.5.
2. NO NAME
Another example of simplicity is NO NAME. This variant is characterized by serenity, which is conveyed by its bluish wallpaper. The theme comes with custom icons, a stylish and modern watch face.

Lock screen – minimalism, at the bottom of the clock is a reduced size. NO NAME changes the layout of the control center and the settings menu. Keep in mind, it doesn’t support dark mode. Available for MIUI 12.5 and MIUI 13.
3. Antilles

Antilla is an extremely interesting MIUI theme for Xiaomi, Redmi or POCO. Its abstract background is more than enough to grab attention. You’ll be happy to know that it has a dual lock screen. At any time, you can switch the design between a simplified style and a style with labels.
The app icons here have been redesigned in an abstract style. The theme is available for MIUI 13, MIUI 12.5 and MIUI 12.
4. Inside Cool: MIUI theme for Xiaomi, Redmi and POCO
Another theme that you can install on your mobile phone is called Inside Cool. The customization package looks just like iOS, but with the style and elegance of MIUI. The theme presents us with a curious wallpaper, somewhat reminiscent of a scene from Kung Fu Panda.

This theme has the ability to edit the title of the main desktop and choose between 20 different options. Inside Cool has a download animation. The theme is available for MIUI 12 and later.
5. Speedy UI
If you’re looking for a theme with vibrant colors and a dark background, Speedy UI is a great option. The customization package pleases you with a figure of a racing car with neon lighting.

Speedy UI gives app icons an interesting design that differs from the MIUI style. The lock screen is decorated with fan animations. The theme is available for MIUI 12, 12.5 and MIUI 13.
What to do to change the region
To change the region, you need to go to “Settings” > “Advanced settings” > “Region” and select a zone other than your location. For example, you can choose India if the Themes app doesn’t allow you to download the selected theme to a Xiaomi, Redmi or POCO smartphone.