SM-A510FD 6.0.1 latest security patch unlock done

those who are having A510fd with 6.0.1

AP version: A510FXXS3BPIA
CSC version: A510FOJP3BPI1
CP version: A510FXXS3BPI1

downgraded

flash with combination file COMBINATION_FAC_FA51_A510FXXU3API1 from support

then unlock phone will be unlocked after that flash with same firmware 100%tested with 4 mobiles