Xiaomi has updated its Android One phone Mi A1 to Android 8.0 Oreo with many new features. However, if you are not a fan of the white and grey notifications panel and app setting that the Oreo update brings to the phone, then here is how to change the color scheme of Mi A1. It does not require root access or Substratum installed on the phone, so anyone can simply do it.
If your Mi A1 is running on Android Oreo (if not, follow this guide to install Oreo update manually on the phone), then the colored accents will definitely give a new life to Xiaomi Mi A1. There are more than 42 different color combinations are available to choose from.
Changing color accent on Xiaomi Mi A1 is not a complicated process. All you need to sideload the required APK file to get the required accent. This theme not just for changing the accent for notification panel, it will also apply the new color scheme to the whole UI of the phone.
If you are not a fan of the white and grey notifications panel and app setting of Mi A1, then follow below guide to know how to change it to a different color accent.
How to Change Color Accent of Xiaomi Mi A1 Runs Android Oreo
1. Download the color theme from here and unzip the file.
2. Save the APK file/files on your and then install the required APK file.
3. After installing the APK, reboot your Mi A1.
4. After rebooting, go to Settings > Display > Advanced > Device Theme
5. Select the theme you want to apply.
Note: If you’re not getting Themes option in Display settings, install Aurora theme. (Source)