Because of Google Play policies regarding ad blockers, Blokada 5 must be installed via sideloading (APK) rather than the Play Store.
Navigate to Connections > Other connection settings > Private DNS . Set Private DNS to or Automatic . Uninstall the Blokada app. If you'd like, I can: Download Blokada apk
Note: Blokada 5 is free, while Blokada 6 is a paid subscription service. Because of Google Play policies regarding ad blockers,
If you need to remove the app, you should also clear its DNS settings: Go to your phone's Settings . Download Blokada apk