b312eh dead after read code error!!

b312eh dead after read code error!!


Connect phone in flash mode
Waiting phone... OK
Sending preloader... OK
Sending loader... OK
Checking Flash ID... OK
Detected Flash ID: 220800EC
Reading security... OK
Patching firmware block... OK
Erase Flash... OK
Writing security... error (1)

Done with Samsung Tool PRO v.34.8