j400f unlock credit problem

hello z3x team today i done 2 set j400f unlock 1 handset consume 2 time credit here is log
Checking Login and Password... OK
[ 11/15/2018 4:08:24 PM ] Ballance: 50 crd.
[ 11/15/2018 4:08:36 PM ] You have 50 credit(s) left. This operation takes 10 credits.Continue? Yes
[ 11/15/2018 4:08:39 PM ] Waiting ADB device... OK
[ 11/15/2018 4:08:40 PM ] Reading phone info...
[ 11/15/2018 4:08:41 PM ] Model: SM-J400F
[ 11/15/2018 4:08:41 PM ] Android version: 8.0.0
[ 11/15/2018 4:08:41 PM ] PDA version: J400FXXU2ARG7
[ 11/15/2018 4:08:41 PM ] CSC version: J400FOJM2ARG7
[ 11/15/2018 4:08:42 PM ] Phone version: J400FXXU2ARG7
[ 11/15/2018 4:08:42 PM ] Product code: SM-J400FZKGKSA
[ 11/15/2018 4:08:42 PM ] CSC country code: KSA
[ 11/15/2018 4:08:43 PM ] CSC sales code: KSA
[ 11/15/2018 4:08:43 PM ] Phone SN: R28K91J1SXX
[ 11/15/2018 4:08:43 PM ] IMEI: 357471098429493
[ 11/15/2018 4:08:43 PM ] HW version: MP 0.300
[ 11/15/2018 4:08:44 PM ] RF cal date: 20180918
[ 11/15/2018 4:08:44 PM ] Chip name: EXYNOS7570
[ 11/15/2018 4:08:44 PM ] Modem board: SHANNON305
[ 11/15/2018 4:08:45 PM ] Security patch: 2018-07-01
[ 11/15/2018 4:08:45 PM ] Boot Warranty bit: 0
[ 11/15/2018 4:08:45 PM ] SIM State: ABSENT,NETWORK_LOCKED
[ 11/15/2018 4:08:48 PM ] Searching server... OK
[ 11/15/2018 4:08:51 PM ] Checking server answer... OK
[ 11/15/2018 4:08:51 PM ] Initialization zTool... OK
[ 11/15/2018 4:08:53 PM ] Running zTool, please wait...
[ 11/15/2018 4:08:53 PM ] Start... OK
[ 11/15/2018 4:08:59 PM ] Initialization... OK
[ 11/15/2018 4:09:02 PM ] Generate and check client proof... OK
[ 11/15/2018 4:09:03 PM ] Verify proof by client... OK
[ 11/15/2018 4:09:03 PM ] Executing... OK
[ 11/15/2018 4:09:43 PM ] Reading data from phone... OK
[ 11/15/2018 4:10:16 PM ] Calculating... OK
[ 11/15/2018 4:10:20 PM ] Searching server... OK
[ 11/15/2018 4:10:25 PM ] Waiting for server answer...
[ 11/15/2018 4:49:14 PM ] Operation aborted

then next time same job done
You have 30 credit(s) left. This operation takes 10 credits.Continue? Yes
[ 11/15/2018 6:43:03 PM ] Waiting ADB device... OK
[ 11/15/2018 6:43:05 PM ] Reading phone info...
[ 11/15/2018 6:43:05 PM ] Model: SM-J400F
[ 11/15/2018 6:43:05 PM ] Android version: 8.0.0
[ 11/15/2018 6:43:06 PM ] PDA version: J400FXXU2ARG7
[ 11/15/2018 6:43:06 PM ] CSC version: J400FOJM2ARG7
[ 11/15/2018 6:43:06 PM ] Phone version: J400FXXU2ARG7
[ 11/15/2018 6:43:06 PM ] Product code: SM-J400FZKGKSA
[ 11/15/2018 6:43:07 PM ] CSC country code: KSA
[ 11/15/2018 6:43:07 PM ] CSC sales code: KSA
[ 11/15/2018 6:43:07 PM ] Phone SN: R28K91J1SXX
[ 11/15/2018 6:43:07 PM ] IMEI: 357471098429493
[ 11/15/2018 6:43:08 PM ] HW version: MP 0.300
[ 11/15/2018 6:43:08 PM ] RF cal date: 20180918
[ 11/15/2018 6:43:08 PM ] Chip name: EXYNOS7570
[ 11/15/2018 6:43:08 PM ] Modem board: SHANNON305
[ 11/15/2018 6:43:09 PM ] Security patch: 2018-07-01
[ 11/15/2018 6:43:09 PM ] Boot Warranty bit: 0
[ 11/15/2018 6:43:09 PM ] SIM State: ABSENT,NETWORK_LOCKED
[ 11/15/2018 6:43:12 PM ] Searching server... OK
[ 11/15/2018 6:43:14 PM ] Checking server answer... OK
[ 11/15/2018 6:43:15 PM ] Initialization zTool... OK
[ 11/15/2018 6:43:16 PM ] Running zTool, please wait...
[ 11/15/2018 6:43:16 PM ] Start... OK
[ 11/15/2018 6:43:22 PM ] Initialization... OK
[ 11/15/2018 6:43:26 PM ] Generate and check client proof... OK
[ 11/15/2018 6:43:26 PM ] Verify proof by client... OK
[ 11/15/2018 6:43:26 PM ] Executing... OK
[ 11/15/2018 6:44:07 PM ] Reading data from phone... OK
[ 11/15/2018 6:44:39 PM ] Calculating... OK
[ 11/15/2018 6:44:44 PM ] Searching server... OK
[ 11/15/2018 6:44:48 PM ] Waiting for server answer... OK
[ 11/15/2018 6:45:49 PM ] Freeze code: 30357306
[ 11/15/2018 6:45:49 PM ] NET lock: 49042538
[ 11/15/2018 6:45:49 PM ] SUB lock: 00000000
[ 11/15/2018 6:45:49 PM ] SP lock: 00000000
[ 11/15/2018 6:45:50 PM ] CP lock: 00000000
[ 11/15/2018 6:45:50 PM ] SIM lock: 00000000
[ 11/15/2018 6:45:50 PM ] For check lock status: *#7465625#
[ 11/15/2018 6:45:51 PM ]
[ 11/15/2018 6:46:36 PM ] Operation: Read Codes via Server
[ 11/15/2018 6:46:37 PM ] Selected model: SM-J400F
[ 11/15/2018 6:46:37 PM ] Software version: 34.3
[ 11/15/2018 6:46:37 PM ]
[ 11/15/2018 6:46:37 PM ] Checking Login and Password... OK
[ 11/15/2018 6:46:39 PM ] Ballance: 20 crd.