need help about s6 edge g925p frp lock

Sir i have galaxy s6 edge g925p in frp lock on condition and mobile is factory reseted
sw marshmallo 6.0.1
i try to downgrade but not working
i try with bst , z3x but not working

not connected otg and side sync

Thankes In Advance

Attached Images
File Type: png recovery mode.png (195.4 KB)
File Type: jpg download mode.jpg (24.6 KB)