The European Committee for Electrotechnical Standarisation regulates all media playback devices sold in the European Union to have an output volume warning at 85dB:
Users can increase the volume to a maximum of 100dB by accepting the warning, yet the warning reappears after 20hours of music playback.
This Magisk module sets the build.prop ‘audio.safemedia.bypass’ to status ’true’ to disable that warning.
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Type : module