Lenovo U1 Tool -

: This is a proprietary tool intended for internal Lenovo service centers. It is often found on community sites like or hosted on GitHub repositories Risk Level

The (also known as the Lenovo Uone Tool ) is a specialized utility used for updating or modifying a machine's Serial Number and Model information within the UEFI/BIOS. It is typically used when a motherboard is replaced and the identity information needs to be flashed to match the original chassis. Usage Instructions lenovo u1 tool