Firmware for the Lenovo ideapad 330S-14IKB and 330S-15IKB laptops at BIOS version 7SCN20WW, provided as a 4.81 MB zip. These are Intel Kaby Lake based thin notebooks, and the 7SCN prefix marks the BIOS line used by this model pair. Technicians use it to bring back a machine with a corrupted flash or a failed update by writing the SPI chip directly. Always read and store the original contents first, since they hold the unique serial and OA key, and confirm the image size matches the chip 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 @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 →