Sony rarely updates legacy 2015 TVs. When a new patch drops unexpectedly, the community calls it "fresh" or "hot." This firmware was released without prior notice, making it a hot topic in home theater forums.
As of mid-2024 through early 2025, Sony has pushed a surprise maintenance update for the KDL series, including the W800C. The latest official firmware version is typically (for North America) or PKG6.404.0630EUB (for Europe). firmware change update on sony kdl50w800c hot
: Go to the Sony Support KDL-50W800C page on a computer. Prepare USB Drive : Format a USB drive to FAT32 . Sony rarely updates legacy 2015 TVs