To install Theme 6.9.3, you will need a tool that handles Split APKs:
Full system-wide transformations that change lock screen styles, app icons, and general UI aesthetics. Wallpapers: theme 6.9.3 bbk apk apkmirror
Note: Downgrading sometimes requires uninstalling updates to the Theme app first via Settings > Apps > Theme > Three Dots > Uninstall Updates . To install Theme 6
Besides APKMirror, the app can be found on Aptoide and Uptodown . To install Theme 6.9.3
Find the com.bbk.theme_6.9.3.apk in your Downloads folder.