u/Best-Ad9880

Hi, how can I update this TV ? Ota method don't find the update but I know that there Is new versione for this TV.

I Have V8-0012T01-LF1V543.002503

Hi, I bought this soundbar months ago, I Have another brand TV. How can I update the soundbar? Is there a OTA system? I writed on the official Hisense site del serial number but they say that I writed the wrong SN, but It's impossible because I writed the correct one.