sm-g935f frp locked urgently need solution

sm-g935f in hand for frp i tried all videos on YouTube not working the i tired
flash sboot
flash repair firmware
not succeed one thing i noticed when i flash with full firmware got error on hidden.img then screen shows custom binary (hidden) blocked by frp
i tired witohut csc flashing its success fully passed then try to reset frp by many boxes but not success plz help i need urgent solution

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