j730f custom binry blocke by frp

j730f custom binry blocke by frp


flash with 4 file but same


restart on first logo



4 files firmware name


J730FXWU2ARE2_J730FOJV2ARE2_ACR
J730FXWU2ARE2_J730FOJV2ARE2_XFA


flash with combination but no solve

resert on first logo with error
recovery image signautre check failed

combination files names
COMBINATION_OXA_FA70_J730FXXU2ARA1
COMBINATION_OXA_FA70_J730FXXU2ARA2





flash with jst sboot file but same


phone no go on recovery mode



need help