Lenovo firmware for the ideapad 120S series, covering both the 120S-11IAP and 120S-14IAP, with a Winbook tag in the name, packed in a 3.75 MB RAR.

Firmware for the 11-inch Lenovo Ideapad 120S-11IAP, labelled Winbook, intended for mainboard 120S_MB V3.0.

Lenovo IdeaPad 120S-14IAP schematic in PDF form, labelled in the name as the Winbook 120S motherboard, version 1.0, at 872 KB.

BIOS firmware archive for the Lenovo Ideapad 120S-11IAP, packaged for the board marked Winbook 120S_MB with revision V3.0.

BIOS package for the Lenovo Ideapad 120S-14IAP Winbook, matching mainboard 120S_MB V1.0.

Firmware package aimed at the Lenovo Ideapad 120S-14IAP, the 14-inch variant, built on the Winbook 120S_MB board at revision V3.0.

Firmware archive for the Lenovo Ideapad 120S-14IAP, also identified as Winbook, for mainboard 120S_MB revision V3.0.

BIOS firmware for the Lenovo IdeaPad 120S-14IAP, with the name also referencing the Winbook 120S motherboard version 1.0, packed as a 3.6 MB RAR archive.

Combined pack for the Lenovo IdeaPad 120S-14IAP, referred to in the name as Winbook, containing both a BIOS image and a schematic in PDF form, 5.81 MB in RAR format.