samsung j510gn dead after combination bit 2 sboot and boot flash oo

samsung j510gn dead after combination bit 2 sboot & boot flash

firmware J510GNDXU2BQK1_J510GNOLB2BQK1

flash with sboot & boot from COMBINATION_FA60_J510GNDXU2AQB1 by z3x

but set dead

no download mode , no driver , no qcom driver

pls easy any soliution