ZIP archive of 16.5 MB containing firmware for the Lenovo ThinkPad X1 Yoga 4th Gen. The name gives no machine type, board number or version, and the larger size suggests more than one image or extra files inside. Inspect the contents and match them to the PCB before writing anything. Such dumps are flashed onto the SPI chip with a CH341A-type programmer to recover dead boards. Back up the existing chip before programming and confirm each image size matches the target flash.
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 @biosfilebins. 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 →