It uses the Ping & Net app: https://play.google.com/store/apps/details?id=com.ulfdittmer.android.ping No users confirmed to this date in the comments of the video that this instruction it works. We therefore suggest to use the Termux app: https://play.google.com/store/apps/details?id=com.termux&hl=de&gl=US instead of the Ping & Net app as describet by TECHCRAFT on his YouTube channel. You can find the link to …