Please help me

[Sahilattri001]

Hi i have recently installed custom rom in my device......but when i going to rollback to flash stock rom with odin tool it fails....i tried to flash with lastest firmware but it shows sw rev check fail ( bootloader ) device 7. binary 6...... please help me

[MDAD]

Try hard reset

[MDAD]

then turn on phone in download mode

[MDAD]

open Samsung Z3Xtool
Browse the Rom.

select only recovery image,
system image cache image n modem .

start flashing

[帕里克]

go service center. think before do.