“If it ain’t broke, don’t fix it” applies here. An unnecessary update can introduce new bugs if the file is not intended for your exact sub-model (check the full model code on the back sticker: 50HYT62U-XXXX ).
You can enable "Automatic scanning" in the same Upgrade Options menu. When active, the TV will automatically wake up at 03:00 AM to search for and download updates from broadcast channels. Critical Tips for a Successful Update hitachi 50hyt62u software update updated
: If your TV won't boot or the online update fails, you may need a firmware recovery file on a FAT32-formatted USB stick. These files are often available via official Argos Support or by requesting them directly from Hitachi Digital Media Europe with your serial number. “If it ain’t broke, don’t fix it” applies here