LG 42LE5500 LED television image of 512 KB, with 25x40 in the name indicating a 25-series 4 Mbit SPI flash that matches the file size. It is a companion to the separate EEPROM dump for the same model and holds code read from that serial flash chip. Use an SPI programmer to restore it when the set does not start correctly. Confirm the chip marking on your board is a 25-series 40 part, back up the original contents and verify the write before reassembling.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @hashmielecom. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →