Samsung A3 2016 SM-A310F.Remove Google Account Bypass FRP.Binary4.Done.

First flash combination file COMBINATION_FAC_FA51_A310FXXU4ARB1
After enble usb debug remove frp.

Finaly flash from normal firmware only system+sboot+boot+recovery+cache.
A310FXXU4CRB1_A310FDDX4CRB1_A310FXXU4CRB2.