i got one g600fy with frp then i try to write combination then stopped with this error (i try most latest ver flash files from support all r same)
File analysis... OK
Total file size: 0x780C9948 (1920 Mb)
Searching USB Flash interface... COM31 detected
Setup connection... OK
Reading PIT from phone... OK
Sending aboot.mbn... OK
Sending sbl1.mbn... OK
Sending rpm.mbn... OK
Sending tz.mbn... OK
Sending hyp.mbn... OK
Sending NON-HLOS.bin... OK
Sending boot.img... OK
Sending recovery.img... OK
Sending system.img.ext4... error
Done with Samsung Tool PRO v.31.0
File analysis... OK
Total file size: 0x780C9948 (1920 Mb)
Searching USB Flash interface... COM31 detected
Setup connection... OK
Reading PIT from phone... OK
Sending aboot.mbn... OK
Sending sbl1.mbn... OK
Sending rpm.mbn... OK
Sending tz.mbn... OK
Sending hyp.mbn... OK
Sending NON-HLOS.bin... OK
Sending boot.img... OK
Sending recovery.img... OK
Sending system.img.ext4... error
Done with Samsung Tool PRO v.31.0