If anyone is looking for wifi killer app which works in modern era of new Android versions, take the app version 1.4.9 . There are more modified versions of same app on 4pda website overall. If you have older Android (8 Oreo), install 1.7.7 version, which is buffed version of regular app, modified by Dobradon (@WeAreRavenS).Only thing to watch out is to turn off play protection and their scanning, or else they'll remove app from your device without you noticing (tested with version for...Read more