…This content is for 1-days, 7-days, 30-days, 90-day, 6 months, and 1year members only.Login Join Now Post navigationACER V5-531-4439 PETRA UMA MB 11324-1 48.4VM02.011 WORKING BIOS ACER V5-531-4439 PETRA UMA MB 11324-1 48.4VM02.011 WORKING BIOS