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Owners manual shows all HDMI are 2.1 I use Optical anyway though for better quality
Sorry, there was a problem. Please try again later.Please contact LG Customer Support by direct message via Twitter (@LGUSSupport) or Facebook Messenger (https://www.facebook.com/LGUSA/). Please be sure to provide your contact information, model/serial numbers and date of purchase and we will be happy to assist you. ^Daphane
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