Purchased a 2018 75 inch Q9F last Wednesday from Best Buy. Same problem with the tv turning off and on by itself and the remote locking up with the flashing red light AFTER ONLY 2 DAYS!!! Already downloaded the latest update and turned off the HDR and power off, etc. etc. Seems I need a new connect one box and cable sent to me, BUT how long before this fails again since Samsung has obviously ignored this issue for the last 2+ years with so many complaints. Very angry and disappointed with Samsung and the thousands of dollars and time wasted on this known defective product!
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