BIOS & Chip-level Repair Resource Cloud

Category	File Name	Download
Original Backup	Lenovo/Lenovo C4CN13WW(V1.03) AIZ30 - S21E-20 S21E (AIZ30 LA-C251P Rev. 1.0) rev1.bin

You can download factory BIOS, Backup BIOS, VBIOS, EC Rom, Schematic and Boardview.
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