Open Music player
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To edit frequency settings, select Now playing > Options > Equaliser.
To create a new preset setting, select Options > New preset. To edit an existing setting select a setting and Options > Edit.
To adjust the frequency bands, select a band and scroll up or down to adjust the value according to what you hear.
To reset the frequency bands of a preset to their original values, select Options > Reset to defaults.
To save your new or edited preset , select Back.