Step..1 Download Odin latest version
Step..2 Download Samsung Mobile Driver's
Step..3 Download J320f Adb enable file
Step..4 open Odin tool
Step..5 Select File (AP) tab
Step..6 Turn Off your Smart phone
Step..7 Turn on your smart phone into Download mode (press..vol- + home + power button )
Step..8 connect your smart phone to PC and laptop
Step..9 after connect your smart phone press start button on Odin tool
congratulations your smart phone is adb enabled
Use any frp tool to reset FRP