While specific steps can vary by model, the following procedure is standard for installing Gosonic firmware via USB: :
: If the TV can still boot, navigate to Menu > Settings > System > Software Update > By USB . Completion :
Extract the contents. The primary file is often named allupgrade_2938_... .pkg or similar.
: Firmware is typically distributed in compressed formats like .rar or .zip . A "part1.rar" suffix indicates the file is part of a multi-volume archive that requires all parts (e.g., part1, part2) to be downloaded before extraction. General Firmware Installation Guide
Format a USB flash drive (typically 8GB or smaller) to on a PC.
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