The Lenovo ThinkPad P1 Gen 4 is a powerhouse. As part of Lenovo’s prestigious mobile workstation lineup, it bridges the gap between the sleek form factor of the X1 Extreme and the raw compute power required for CAD, 3D rendering, and AI modeling. Under the hood of this Intel 11th Gen H-series-powered device lies its brain: the Lenovo P1 Gen 4 BIOS (Basic Input/Output System).
You can downgrade to any version as long as "BIOS RollBack Prevention" is disabled in Security settings. Warning: Downgrading may cause Windows to crash if the new UEFI drivers are removed. Only downgrade if you are experiencing a verified regression.
