please refund credit plz

[ 12/05/2018 18:35:00 Unlock ] Operation: Unlock
[ 12/05/2018 18:35:00 Unlock ] Selected model: SM-G935T
[ 12/05/2018 18:35:00 Unlock ] Selected port: COM19 RIM Virtual Serial Port v2
[ 12/05/2018 18:35:00 Unlock ] Software version: 31.5.1
[ 12/05/2018 18:35:00 Unlock ]
[ 12/05/2018 20:59:00 Unlock ] Operation: Unlock
[ 12/05/2018 20:59:00 Unlock ] Selected model: SM-G935T
[ 12/05/2018 20:59:00 Unlock ] Software version: 31.5.1
[ 12/05/2018 20:59:00 Unlock ]
[ 12/05/2018 20:59:00 Unlock ] Checking Login and Password... OK
[ 12/05/2018 20:59:00 Unlock ] Ballance: 50 crd.
[ 12/05/2018 20:59:00 Unlock ] You have 50 credit(s) left. This operation takes 10 credits.Continue? Yes
[ 12/05/2018 20:59:00 Unlock ] Waiting ADB device... timeout
[ 12/05/2018 21:00:00 Unlock ] Phone not found
[ 12/05/2018 21:00:00 Unlock ]
[ 12/05/2018 21:00:00 Unlock ] Operation: Unlock
[ 12/05/2018 21:00:00 Unlock ] Selected model: SM-G935T
[ 12/05/2018 21:00:00 Unlock ] Selected port: COM546 SAMSUNG Mobile USB Serial Port
[ 12/05/2018 21:00:00 Unlock ] Software version: 31.5.1
[ 12/05/2018 21:00:00 Unlock ]
[ 12/05/2018 21:00:00 Unlock ] Checking Login and Password... OK
[ 12/05/2018 21:00:00 Unlock ] Ballance: 50 crd.
[ 12/05/2018 21:01:00 Unlock ] You have 50 credit(s) left. This operation takes 10 credits.Continue? Yes
[ 12/05/2018 21:01:00 Unlock ] Waiting ADB device... OK
[ 12/05/2018 21:01:00 Unlock ] Reading phone info...
[ 12/05/2018 21:01:00 Unlock ] Model: SM-G935T
[ 12/05/2018 21:01:00 Unlock ] Android version: 7.0
[ 12/05/2018 21:01:00 Unlock ] PDA version: G935TUVU4BQG5
[ 12/05/2018 21:01:00 Unlock ] CSC version: G935TTMB4BQG5
[ 12/05/2018 21:01:00 Unlock ] Phone version: G935PVPS4BQC1
[ 12/05/2018 21:01:00 Unlock ] Product code: SM-G935TZDATMB
[ 12/05/2018 21:01:00 Unlock ] CSC country code: USA
[ 12/05/2018 21:01:00 Unlock ] CSC sales code: TMB
[ 12/05/2018 21:01:00 Unlock ] Phone SN: RF8H72ZWC8M
[ 12/05/2018 21:01:00 Unlock ] IMEI: 356164074156666
[ 12/05/2018 21:01:00 Unlock ] HW version: REV0.7
[ 12/05/2018 21:01:00 Unlock ] RF cal date: 2016.07.30
[ 12/05/2018 21:01:00 Unlock ] Chip name: MSM8996
[ 12/05/2018 21:01:00 Unlock ] Modem board: MSM8996
[ 12/05/2018 21:01:00 Unlock ] Security patch: 2017-07-01
[ 12/05/2018 21:01:00 Unlock ] Boot Warranty bit: 0
[ 12/05/2018 21:01:00 Unlock ] Rebooting phone... OK
[ 12/05/2018 21:01:00 Unlock ] Waiting ADB device... OK
[ 12/05/2018 21:02:00 Unlock ] Waiting for device to become ready... OK
[ 12/05/2018 21:02:00 Unlock ] Initialization zTool... OK
[ 12/05/2018 21:02:00 Unlock ] Running zTool, please wait...
[ 12/05/2018 21:02:00 Unlock ] Start... OK
[ 12/05/2018 21:02:00 Unlock ] Initialization... OK
[ 12/05/2018 21:02:00 Unlock ] Generate and check client proof... OK
[ 12/05/2018 21:02:00 Unlock ] Verify proof by client... OK
[ 12/05/2018 21:02:00 Unlock ] Reading data from phone... OK
[ 12/05/2018 21:02:00 Unlock ] Rebooting to upload... OK
[ 12/05/2018 21:02:00 Unlock ] Searching Ramdump interface... COM15 detected
[ 12/05/2018 21:03:00 Unlock ] Reading data from phone... OK
[ 12/05/2018 21:03:00 Unlock ] Calculating... OK
[ 12/05/2018 21:03:00 Unlock ] Searching server... OK
[ 12/05/2018 21:04:00 Unlock ] Waiting for server answer... OK
[ 12/05/2018 21:04:00 Unlock ] Waiting ADB device... timeout
[ 12/05/2018 21:06:00 Unlock ] Phone not found
[ 12/05/2018 21:06:00 Unlock ]
[ 12/05/2018 21:06:00 Unlock ] Operation: Unlock
[ 12/05/2018 21:06:00 Unlock ] Selected model: SM-G935T
[ 12/05/2018 21:06:00 Unlock ] Selected port: COM546 SAMSUNG Mobile USB Serial Port
[ 12/05/2018 21:06:00 Unlock ] Software version: 31.5.1
[ 12/05/2018 21:06:00 Unlock ]
[ 12/05/2018 21:06:00 Unlock ] Checking Login and Password... OK
[ 12/05/2018 21:06:00 Unlock ] Ballance: 40 crd.
[ 12/05/2018 21:06:00 Unlock ] You have 40 credit(s) left. This operation takes 10 credits.Continue? No