The phrase "download sony blu ray zero c upd" appears to refer to a specific software update or firmware file for a Sony Blu-ray Disc player
. While "Zero C" is not a standard consumer-facing marketing term for Sony's public firmware, it frequently appears in technical or service-level naming conventions (such as versioning or region-specific identifiers like "ZC").
Your Blu-ray device can be saved—one update at a time.