Hello there , please i wanna ask i have a laptop acer aspire 7750G and i want to update bios , i never done it when i checked ou the site of acer i found out the last version of bios 1.21 and others old ( 1.15 and 1.17 and 1.18 ) but new than my actual bios that is 1.12 , my question is normal to update from 1.12 directly to the last update 1.21