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TCL 50" Class 5-Series 4K QLED Dolby Vision HDR Smart Google TV - 50S546 | TCL USA
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TCL 50" Class 5-Series 4K QLED Dolby Vision HDR Smart Google TV - 50S546 | TCL USA
Does anyone know what these four lights mean on my TCL S546? I haven't been able to find anything about them and I haven't ever notice them before this weekend : r/4kTV