SM-G935A Combination file question [Answered]

good morning
i have a g935a aucs4apk1

downloaded from support: COMBINATION_FA60_G935AUCU4AQB1_CL9617375_QB1270729 8_REV02_user_mid_noship_MULTI_CERT


the cs4 and cu4 means both firmwares are bit 4 yes?=is this the best/correct combo file? - thanks