Karmapolice

This is only my experience, but I’m in the US and after doing business in China I was targeted an APT (Advanced Persistent Threat). A colleague found a bad SSL cert on my home office network and traced it to the LG OLEF65B6P—not surprising since 2014 China PLA has rooted every Apple device and PC in my home, trying to steal more intellectual property. (And by the way this was a colleague with one of our armed forces cyberdefense team who deals with China State Sponsored Attacks daily; and I had some experience in this area). Anyway, if in the unlikely event you are at risk of something like this due to your residence, employment or knowledge, you can forget LG being any help as they failed to even grasp the threat, let alone help me with a solution.To make a long story short... What the Chinese were doing was rooting the TV and locking it into a future nonexistent firmware version, thus making it impervious to overwriting or rollback (since we couldnt rollback the LG firmware per LG). By way of disclaimer, if you’re not handy with IT or firmware of this type, I’d find someone who is to avoid turning your TV into home decor, but I did a search on how to access the technician service menu, accessed and then pushed a hard reset or reflash which eventually worked. And while I was behind an enterprise-level firewall (forget the consumer AV products with state sponsored threats) not much more I could do to bolster network security to prevent this from reoccurring other than locking down what I could via the TV access codes and restoring TV back to factory settings often, and hoping companies like LG (and consumers) put as much thought into security as features. By the way, your English is as good or better than many in the U.S. Good luck!