Also, the term "solid piece" could be metaphorical. In some contexts, like in software development, a well-designed module or component is referred to as a "solid piece." So, maybe they're referring to the binary being a well-constructed module within a larger system.
Possible scenarios: They might be talking about a firmware update for a Korean device, such as a smartphone or a modem, where "fg" could be the manufacturer or product code (like FRITZ!Box from AVM has FON or FRITZ! firmware). "Selective" might imply it's an optimized or minimal version of the firmware. Or maybe it's related to a game or app that's been specifically built for the Korean market. fg-selective-korean-2.bin
Need to make sure I address both the technical aspects of the .bin file and the possible interpretations of "solid piece." Also, check for any common knowledge about such files or devices. If there's no known information, I should advise the user to provide more context for a precise answer. Also, the term "solid piece" could be metaphorical