…This content is for 1-days, 7-days, 30-days, 90-day, 6 months, and 1year members only.Login Join Now Post navigationLENOVO THINKPAD X13 YOGA GEN 1 LBB-2 19733-1 448.0JH04.0011 BIOS 100% TESTED OK A1416 820-4652-A CLEAR ME BIOS TESTED OK