Learn how to cancel Volume Booster subscription on iPhone, Android, Paypal or directly.
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Alternative method via AppStore:
1. Volume Booster - free app to booster your volume, speaker, music or headphone sound volume, like an amplificatore. * We have 3 modes for you to quick settings: MUTE, NORMAL and BOOST. * Music boost, playing audio at high volume may damage speakers/hearing. * You should choose to increase the volume booster below 40%.
2. You will have sound safe. * This app does not work on most 4. 2. 1 - 4. 3 devices. It should work on 4. 4 and higher. * This is not for adjusting the speakerphone volume in phone calls. * The volume should increase moderately, slowly, to avoid the risks to your phone.