Reset all Notification Channels app
Reset all Notification Channels is Xposed application that is open source under the EUPL-1.2 license.This module will prevent the Notification Channels to be loaded upon boot, so they all need to be recreated by the respective apps. This effectively resets all Notification Channels: vibrations, ringtones, importance etc.
This will not revoke the notifications permission.
WARNING
This will permanently and irrevocably reset all settings for Notification Channels.
This module will do that on every boot when it's installed.