Firmware for an MR200 router, EU region, hardware version V1, marked OK, likely the TP-Link Archer MR200 4G model, although the brand is not stated in the name. The ZIP is 7.62 MB. Such a dump restores a bricked router when written to its flash chip with a programmer. Save the original flash first because it holds radio calibration and MAC data, confirm the label shows the EU V1 hardware version, and verify the image size matches the chip.
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 @biosarchive. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →