BIOS & Chip-level Repair Resource Cloud

Category	File Name	Download
Original Backup	Lenovo/Lenovo 300-500 Series Flex 5 Yoga/Lenovo 4QCN45WW(V2.09) CIUSA - Ideapad BIOS.bin
Original Backup	Lenovo/Lenovo 300-500 Series Flex 5 Yoga/EC.rom

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