Samsung A320FL FRP reset

Hi Brothers

I use A320FLXXU2BRB5_OXX2BRB1 flash

and then reflash

COMBINATION_OXA_FA60_A320FLXXU2ARD1_OXAFAC_CL11575 786_QB17745478_REV00_user_mid_noship.tar.md5
reset settings
reflash to A320FLXXU2BRB5_OXX2BRB1
but phone have still google account

any solution to reset frp ?