SAMSUNG THEME INSTALLATION: An add-on (fee-based) is required for Samsung device users. This will be communicated to you when you open the Substratum application on your device.
INSTALLATION ANDROMEDA THEME: The black theme for Andromeda needs a paid add-on to work. This will be communicated to you when you open the Substratum application on your device compatible with Andromeda themes.
For More Info Google Play
Supported Android
{7.0 and UP}
Supported Android Version:-
Gingerbread (2.3–2.3.7)- Honeycomb (3.0–3.2.6)- Ice Cream Sandwich (4.0–4.0.4)- Jelly Bean (4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) or UP
Download Swift Black Substratum Theme +Oreo Samsung theme 12.3 Patched APK For Android