error codes via server lost CREDIT(G950U)

hello
refund me
or check this codes its not working

username : zsc_3y3Z3oOQ

Code:

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[ 02/04/2018 18:04:00 ] Checking Login and Password... OK
[ 02/04/2018 18:04:00 ] Ballance: 30 crd.
[ 02/04/2018 18:04:00 ] You have 30 credit(s) left. This operation takes 5 credits.Continue?  Yes
[ 02/04/2018 18:04:00 ] Waiting ADB device... OK
[ 02/04/2018 18:04:00 ] Reading phone info...
[ 02/04/2018 18:04:00 ] Model: SM-G950U
[ 02/04/2018 18:04:00 ] Android version: 7.0
[ 02/04/2018 18:04:00 ] Product code: SM2G950UZSAATT
[ 02/04/2018 18:04:00 ] Phone version: G950USQU2BQK5
[ 02/04/2018 18:04:00 ] PDA version: G950USQU2BQK5
[ 02/04/2018 18:04:00 ] CSC version: G950UOYN2BQK5
[ 02/04/2018 18:04:00 ] CSC country code: USA
[ 02/04/2018 18:04:00 ] CSC sales code: ATT
[ 02/04/2018 18:04:00 ] HW version: REV1.0
[ 02/04/2018 18:04:00 ] Phone SN: R38J700*****
[ 02/04/2018 18:04:00 ] Chip name: MSM8998
[ 02/04/2018 18:04:00 ] Modem board: MSM8998
[ 02/04/2018 18:04:00 ] Security patch: 2017-11-01
[ 02/04/2018 18:04:00 ] RF cal date: 2017.07.04
[ 02/04/2018 18:04:00 ] IMEI: 35772308147****
[ 02/04/2018 18:04:00 ] Waiting for device to become ready... OK
[ 02/04/2018 18:04:00 ] Initialization zTool... OK
[ 02/04/2018 18:04:00 ] Running zTool, please wait...
[ 02/04/2018 18:04:00 ] Start... OK
[ 02/04/2018 18:04:00 ] Initialization... OK
[ 02/04/2018 18:04:00 ] Generate and check client proof... OK
[ 02/04/2018 18:04:00 ] Verify proof by client... OK
[ 02/04/2018 18:04:00 ] Reading data from phone... OK
[ 02/04/2018 18:04:00 ] Searching Ramdump interface... COM9 detected
[ 02/04/2018 18:05:00 ] Reading data from phone... OK
[ 02/04/2018 18:05:00 ] Calculating... OK
[ 02/04/2018 18:06:00 ] Searching server... OK
[ 02/04/2018 18:06:00 ] Waiting for server answer... OK
[ 02/04/2018 18:06:00 ] Freeze code: 51964903
[ 02/04/2018 18:06:00 ] NET lock: 41424614
[ 02/04/2018 18:06:00 ] SUB lock: 00000000
[ 02/04/2018 18:06:00 ] SP lock: 00000000
[ 02/04/2018 18:06:00 ] CP lock: 00000000
[ 02/04/2018 18:06:00 ] For check lock status: *#7465625#
[ 02/04/2018 18:06:00 ]

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