Sounds like a home cinema system is also affected by a similar issue - https://eu.community.samsung.com/t5/Audio-Video/HT-J4500-home-cinema-cycling-on-and-off-r

Sounds like a home cinema system is also affected by a similar issue - https://eu.community.samsung.com/t5/Audio-Video/HT-J4500-home-cinema-cycling-on-and-off-repeatedly/td-p/1811217/highlight/false https://eu.community.samsung.com/t5/Audio-Video/HT-J4500-hom... First thought coming to mind is if this is indeed a bad firmware update as some suggest. Or maybe an x509 certificate used internally to verify something like firmware signatures has expired? I guess a bit of digging through these threads might shed some light on if people accepted updates recently.