B312E unlock not suport or bug ?

Code:

INFO  : 23-Feb-16 2:59:28 PM > Set up system language English (file: English.ini)
INFO  : 23-Feb-16 2:59:28 PM > Welcome to Octoplus/Octopus Box Samsung software version 2.2.1
INFO  : 23-Feb-16 2:59:41 PM > Selected firmware file: B312EDDNF1_B312EODDNF2.oct
INFO  : 23-Feb-16 2:59:43 PM > -----------------------------------------------------------------------------------
INFO  : 23-Feb-16 2:59:43 PM > Platform: Samsung Infineon
INFO  : 23-Feb-16 2:59:43 PM > Selected model: SM-B312E
INFO  : 23-Feb-16 2:59:43 PM > Selected port: USB
WARN  : 23-Feb-16 2:59:43 PM > Phone must be OFF, and the battery must be fully charged
WARN  : 23-Feb-16 2:59:43 PM > Please, connect USB cable and reconnect battery.
INFO  : 23-Feb-16 2:59:43 PM > Connecting...
INFO  : 23-Feb-16 2:59:50 PM > Phone found.
INFO  : 23-Feb-16 2:59:50 PM > Sending loaders...
INFO  : 23-Feb-16 2:59:50 PM > Sending preloader...
INFO  : 23-Feb-16 2:59:54 PM > Preloader send successfully
INFO  : 23-Feb-16 2:59:54 PM > Sending mainloader...
INFO  : 23-Feb-16 2:59:54 PM > Mainloader send successfully
INFO  : 23-Feb-16 2:59:54 PM > Writing firmware...
INFO  : 23-Feb-16 2:59:55 PM > Erasing Full Flash...
INFO  : 23-Feb-16 2:59:55 PM > Full Flash erase successfully.
INFO  : 23-Feb-16 2:59:55 PM > Writing "B312EDDNF1_BSY"...
INFO  : 23-Feb-16 3:00:38 PM > Writing "B312EDDNF1_BSY" done!
INFO  : 23-Feb-16 3:00:38 PM > Writing "B312EDDNF1_CDS"...
INFO  : 23-Feb-16 3:00:39 PM > Writing "B312EDDNF1_CDS" done!
INFO  : 23-Feb-16 3:00:39 PM > Writing "B312EODDNF2_CSC"...
INFO  : 23-Feb-16 3:01:14 PM > Writing "B312EODDNF2_CSC" done!
INFO  : 23-Feb-16 3:01:14 PM > Firmware Write successfully.
INFO  : 23-Feb-16 3:01:15 PM > Performed by 2.2.1 software version
INFO  : 23-Feb-16 3:13:17 PM > Selected firmware file: B312EDDNF1_BSY.oct
INFO  : 23-Feb-16 3:13:19 PM > -----------------------------------------------------------------------------------
INFO  : 23-Feb-16 3:13:19 PM > Platform: Samsung Infineon
INFO  : 23-Feb-16 3:13:19 PM > Selected model: SM-B312E
INFO  : 23-Feb-16 3:13:19 PM > Selected port: USB
WARN  : 23-Feb-16 3:13:19 PM > Phone must be OFF, and the battery must be fully charged
WARN  : 23-Feb-16 3:13:19 PM > Please, connect USB cable and reconnect battery.
INFO  : 23-Feb-16 3:13:19 PM > Connecting...
INFO  : 23-Feb-16 3:13:28 PM > Phone found.
INFO  : 23-Feb-16 3:13:28 PM > Sending loaders...
INFO  : 23-Feb-16 3:13:28 PM > Sending preloader...
INFO  : 23-Feb-16 3:13:32 PM > Preloader send successfully
INFO  : 23-Feb-16 3:13:32 PM > Sending mainloader...
INFO  : 23-Feb-16 3:13:33 PM > Mainloader send successfully
INFO  : 23-Feb-16 3:13:33 PM > Writing firmware...
INFO  : 23-Feb-16 3:13:33 PM > Erasing Full Flash...
INFO  : 23-Feb-16 3:13:33 PM > Full Flash erase successfully.
INFO  : 23-Feb-16 3:13:33 PM > Writing "B312EDDNF1_BSY"...
INFO  : 23-Feb-16 3:14:16 PM > Writing "B312EDDNF1_BSY" done!
INFO  : 23-Feb-16 3:14:17 PM > Writing "B312EDDNF1_CDS"...
INFO  : 23-Feb-16 3:14:17 PM > Writing "B312EDDNF1_CDS" done!
INFO  : 23-Feb-16 3:14:17 PM > Writing "B312EODDNF1_CSC"...
INFO  : 23-Feb-16 3:14:52 PM > Writing "B312EODDNF1_CSC" done!
INFO  : 23-Feb-16 3:14:52 PM > Firmware Write successfully.
INFO  : 23-Feb-16 3:14:53 PM > Performed by 2.2.1 software version
INFO  : 23-Feb-16 3:29:33 PM > -----------------------------------------------------------------------------------
INFO  : 23-Feb-16 3:29:34 PM > Platform: Samsung Infineon
INFO  : 23-Feb-16 3:29:34 PM > Selected model: SM-B312E
INFO  : 23-Feb-16 3:29:34 PM > Selected port: COM50
INFO  : 23-Feb-16 3:29:34 PM > Phone must be ON.
INFO  : 23-Feb-16 3:29:34 PM > Searching for a phone. Please wait...
WARN  : 23-Feb-16 3:29:36 PM > Phone was not found on the selected port!
INFO  : 23-Feb-16 3:29:37 PM > Performed by 2.2.1 software version
INFO  : 23-Feb-16 3:30:31 PM > -----------------------------------------------------------------------------------
INFO  : 23-Feb-16 3:30:32 PM > Platform: Samsung Infineon
INFO  : 23-Feb-16 3:30:32 PM > Selected model: SM-B312E
INFO  : 23-Feb-16 3:30:32 PM > Selected port: COM50
INFO  : 23-Feb-16 3:30:32 PM > Phone must be ON.
INFO  : 23-Feb-16 3:30:32 PM > Searching for a phone. Please wait...
INFO  : 23-Feb-16 3:30:36 PM > Found phone on COM105
INFO  : 23-Feb-16 3:30:36 PM > Reading codes...
INFO  : 23-Feb-16 3:30:36 PM > Reading info...
INFO  : 23-Feb-16 3:30:38 PM > UniqueNumber : 0215210527570747
INFO  : 23-Feb-16 3:30:38 PM > SW Version : B312EDDOE1
INFO  : 23-Feb-16 3:30:39 PM > Phone IMEI A: 355************
INFO  : 23-Feb-16 3:30:39 PM > Phone IMEI B: 355************
INFO  : 23-Feb-16 3:30:39 PM > Deactivating MSL...
ERROR : 23-Feb-16 3:30:41 PM > Deactivating MSL failed
INFO  : 23-Feb-16 3:30:43 PM > Performed by 2.2.1 software version
INFO  : 23-Feb-16 3:31:02 PM > -----------------------------------------------------------------------------------
INFO  : 23-Feb-16 3:31:03 PM > Platform: Samsung Infineon
INFO  : 23-Feb-16 3:31:03 PM > Selected model: SM-B312E
INFO  : 23-Feb-16 3:31:03 PM > Selected port: COM105
INFO  : 23-Feb-16 3:31:03 PM > Phone must be ON.
INFO  : 23-Feb-16 3:31:03 PM > Searching for a phone. Please wait...
INFO  : 23-Feb-16 3:31:05 PM > Found phone on COM105
INFO  : 23-Feb-16 3:31:05 PM > Reading codes...
INFO  : 23-Feb-16 3:31:05 PM > Reading info...
INFO  : 23-Feb-16 3:31:07 PM > UniqueNumber : 0215210527570747
INFO  : 23-Feb-16 3:31:07 PM > SW Version : B312EDDOE1
INFO  : 23-Feb-16 3:31:08 PM > Phone IMEI A: 355************
INFO  : 23-Feb-16 3:31:08 PM > Phone IMEI B: 35************
INFO  : 23-Feb-16 3:31:08 PM > Deactivating MSL...
ERROR : 23-Feb-16 3:31:10 PM > Deactivating MSL failed
INFO  : 23-Feb-16 3:31:11 PM > Performed by 2.2.1 software version
INFO  : 23-Feb-16 3:31:12 PM > -----------------------------------------------------------------------------------
INFO  : 23-Feb-16 3:31:13 PM > Platform: Samsung Infineon
INFO  : 23-Feb-16 3:31:13 PM > Selected model: SM-B312E
INFO  : 23-Feb-16 3:31:13 PM > Selected port: COM105
INFO  : 23-Feb-16 3:31:13 PM > Phone must be ON.
INFO  : 23-Feb-16 3:31:13 PM > Searching for a phone. Please wait...
INFO  : 23-Feb-16 3:31:15 PM > Found phone on COM105
INFO  : 23-Feb-16 3:31:15 PM > Reading codes...
INFO  : 23-Feb-16 3:31:15 PM > Reading info...
INFO  : 23-Feb-16 3:31:17 PM > UniqueNumber : 0215210527570747
INFO  : 23-Feb-16 3:31:17 PM > SW Version : B312EDDOE1
INFO  : 23-Feb-16 3:31:18 PM > Phone IMEI A: 35************
INFO  : 23-Feb-16 3:31:18 PM > Phone IMEI B: 35************
INFO  : 23-Feb-16 3:31:18 PM > Deactivating MSL...
INFO  : 23-Feb-16 3:31:19 PM > MSL deactivate successfully
INFO  : 23-Feb-16 3:31:19 PM > Reading codes...
INFO  : 23-Feb-16 3:31:19 PM > Performed by 2.2.1 software version