g955u bit 2 network unlok code incorrect

i have read 2 time code server have took 2 time my credits and code always same and when i put code in phone then phone say incorrect code
plz help me and refund me my credits if u cant do it

[ 4/8/2018 6:33:00 PM ] Operation: Read Codes via Server
[ 4/8/2018 6:33:00 PM ] Selected model: SM-G955U
[ 4/8/2018 6:33:00 PM ] Software version: 31.1
[ 4/8/2018 6:33:00 PM ]
[ 4/8/2018 6:33:00 PM ] Checking Login and Password... OK
[ 4/8/2018 6:33:00 PM ] Ballance: xx crd.
[ 4/8/2018 6:33:00 PM ] You have xx credit(s) left. This operation takes 5 credits.Continue? Yes
[ 4/8/2018 6:33:00 PM ] Waiting ADB device... OK
[ 4/8/2018 6:33:00 PM ] Reading phone info...
[ 4/8/2018 6:33:00 PM ] Model: SM-G955U
[ 4/8/2018 6:33:00 PM ] Android version: 7.0
[ 4/8/2018 6:33:00 PM ] PDA version: G955USQS2BRB1
[ 4/8/2018 6:33:00 PM ] CSC version: G955UOYN2BRB1
[ 4/8/2018 6:33:00 PM ] Phone version: G955USQS2BRB1
[ 4/8/2018 6:33:00 PM ] Product code: SM-G955UZSACCT
[ 4/8/2018 6:33:00 PM ] CSC country code: USA
[ 4/8/2018 6:33:00 PM ] CSC sales code: CCT
[ 4/8/2018 6:33:00 PM ] Phone SN: R28J63LA0JT
[ 4/8/2018 6:33:00 PM ] IMEI: 355988080410670
[ 4/8/2018 6:33:00 PM ] HW version: REV1.0
[ 4/8/2018 6:33:00 PM ] RF cal date: 2017.06.28
[ 4/8/2018 6:33:00 PM ] Chip name: MSM8998
[ 4/8/2018 6:33:00 PM ] Modem board: MSM8998
[ 4/8/2018 6:33:00 PM ] Security patch: 2018-02-01
[ 4/8/2018 6:33:00 PM ] Boot Warranty bit: 0
[ 4/8/2018 6:33:00 PM ] Waiting for device to become ready... OK
[ 4/8/2018 6:33:00 PM ] Initialization zTool... OK
[ 4/8/2018 6:33:00 PM ] Running zTool, please wait...
[ 4/8/2018 6:33:00 PM ] Start... OK
[ 4/8/2018 6:33:00 PM ] Initialization... OK
[ 4/8/2018 6:33:00 PM ] Generate and check client proof... OK
[ 4/8/2018 6:33:00 PM ] Verify proof by client... OK
[ 4/8/2018 6:33:00 PM ] Reading data from phone... OK
[ 4/8/2018 6:33:00 PM ] Searching Ramdump interface... COM14 detected
[ 4/8/2018 6:35:00 PM ] Reading data from phone... OK
[ 4/8/2018 6:35:00 PM ] Calculating... OK
[ 4/8/2018 6:35:00 PM ] Searching server... OK
[ 4/8/2018 6:35:00 PM ] Waiting for server answer... OK
[ 4/8/2018 6:36:00 PM ] Freeze code: 16161516
[ 4/8/2018 6:36:00 PM ] NET lock: 25136306
[ 4/8/2018 6:36:00 PM ] SUB lock: 00000000
[ 4/8/2018 6:36:00 PM ] SP lock: 00000000
[ 4/8/2018 6:36:00 PM ] CP lock: 00000000
[ 4/8/2018 6:36:00 PM ] For check lock status: *#7465625#
[ 4/8/2018 6:36:00 PM ]
[ 4/8/2018 6:36:00 PM ] Operation: Read Codes via Server
[ 4/8/2018 6:36:00 PM ] Selected model: SM-G955U
[ 4/8/2018 6:36:00 PM ] Software version: 31.1