koko007 Posted October 13, 2019 Share Posted October 13, 2019 (edited) After update firmwareVersion: V1.1 - V66 source HDMI(arc) it doesn't work and System no record config volume sub and surround 3 when unplug I already tried factory reset but it doesn't work My tv LG C8 and samsung ks7500 How to fix or downgrade firmware soundbar bar48 thankyou Edited October 13, 2019 by koko007 Quote Link to comment Share on other sites More sharing options...
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