bios password lenovo thinkpad e15 gen 2

How do I handle this one, a client sent me picture of attached it needs bios password unlock. They tried flashing bios it didn't work. Brand and Model: Lenovo ThinkPad E15 Gen 2 Processor: AMD Ryzen 5-4500U, 2.3GHz Memory (RAM): 8GB Screen Size: 15.6 inches Reference: REF 98