Firmware dump for a Micromax 20B22HD-V television built on the CV59L-C23 universal mainboard, marked ok, meaning it was reported as working. The bin is 4.00 MB, matching a 32 Mbit SPI flash chip. A technician writes it with an external programmer to fix boot loops, logo hangs or a corrupted image. Check the board marking and panel match the Micromax set, confirm the chip is 4 MB, and read and save the original flash contents before programming.
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 @led_software. 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 →