FRP A6 A600FN U4 + A8 A530F U6 - please help

Mates please help with removing FRP for A6 ( A600FN ) with U4 ( A600FNXXU4BSF2) and A8 (A530F) with U6 (A530FXXU6CSF9) .
Combinations or other methods ...tried with SIM removal but not working...
Thanks a lot in advance !