Swift Black Substratum Theme v20.5 PATCHED APK [Latest] 0 488 Share Swift Black Substratum Theme Boost your stock rooted ROM with this pitch black theme for the Substratum theme engine. It fully supports Android 6, 7.0 Swift Black Substratum Theme v20.5 PATCHED / Mirror– Nougat Swift Black Substratum Theme v20.5 PATCHED / Mirror– Oreo