refund my credit

28/08/2018 17:19:50 ] Operation: Read Codes via Server
[ 28/08/2018 17:19:50 ] Selected model: SM-J400F
[ 28/08/2018 17:19:50 ] Software version: 33.5
[ 28/08/2018 17:19:50 ]
[ 28/08/2018 17:19:50 ] Checking Login and Password... OK
[ 28/08/2018 17:19:53 ] Ballance: 15 crd.
[ 28/08/2018 17:19:55 ] You have 15 credit(s) left. This operation takes 10 credits.Continue? Yes
[ 28/08/2018 17:19:57 ] Waiting ADB device... OK
[ 28/08/2018 17:19:58 ] Reading phone info...
[ 28/08/2018 17:19:58 ] Model: SM-J400F
[ 28/08/2018 17:19:59 ] Android version: 8.0.0
[ 28/08/2018 17:19:59 ] PDA version: J400FXXU2ARG7
[ 28/08/2018 17:19:59 ] CSC version: J400FOJM2ARG7
[ 28/08/2018 17:19:59 ] Phone version: J400FXXU2ARG7
[ 28/08/2018 17:19:59 ] Product code: SM-J400FZKDKSA
[ 28/08/2018 17:19:59 ] CSC country code: KSA
[ 28/08/2018 17:19:59 ] CSC sales code: KSA
[ 28/08/2018 17:19:59 ] Phone SN: RV8K615JX2E
[ 28/08/2018 17:19:59 ] IMEI: 35841xxxx541309
[ 28/08/2018 17:19:59 ] HW version: MP 0.300
[ 28/08/2018 17:19:59 ] RF cal date: 20180623
[ 28/08/2018 17:19:59 ] Chip name: EXYNOS7570
[ 28/08/2018 17:19:59 ] Modem board: SHANNON305
[ 28/08/2018 17:19:59 ] Security patch: 2018-07-01
[ 28/08/2018 17:19:59 ] Boot Warranty bit: 0
[ 28/08/2018 17:20:02 ] Searching server... OK
[ 28/08/2018 17:20:05 ] Checking server answer... OK
[ 28/08/2018 17:20:05 ] Initialization zTool... OK
[ 28/08/2018 17:20:06 ] Running zTool, please wait...
[ 28/08/2018 17:20:06 ] Start... OK
[ 28/08/2018 17:20:11 ] Initialization... OK
[ 28/08/2018 17:20:14 ] Generate and check client proof... OK
[ 28/08/2018 17:20:14 ] Verify proof by client... OK
[ 28/08/2018 17:20:14 ] Executing... OK
[ 28/08/2018 17:20:44 ] Reading data from phone... OK
[ 28/08/2018 17:20:59 ] Calculating... OK
[ 28/08/2018 17:21:03 ] Searching server... error
[ 28/08/2018 17:21:34 ] could not connect to server
[ 28/08/2018 17:21:34 ]
[ 28/08/2018 17:21:49 ] Operation: Read Codes via Server
[ 28/08/2018 17:21:49 ] Selected model: SM-J400F
[ 28/08/2018 17:21:49 ] Software version: 33.5
[ 28/08/2018 17:21:49 ]
[ 28/08/2018 17:21:49 ] Checking Login and Password... OK
[ 28/08/2018 17:21:51 ] Ballance: 5 crd.
[ 28/08/2018 17:21:51 ] Not enough credits