please refund please g955u please

[ 29/03/2018 12:04:00 PM ] Software version: 31.0
[ 29/03/2018 12:04:00 PM ]
[ 29/03/2018 12:04:00 PM ] Checking Login and Password... OK
[ 29/03/2018 12:04:00 PM ] Ballance: 20 crd.
[ 29/03/2018 12:04:00 PM ] You have 20 credit(s) left. This operation takes 10 credits.Continue? Yes
[ 29/03/2018 12:04:00 PM ] Waiting ADB device... OK
[ 29/03/2018 12:05:00 PM ] Reading phone info...
[ 29/03/2018 12:05:00 PM ] Model: SM-G955U
[ 29/03/2018 12:05:00 PM ] Android version: 7.0
[ 29/03/2018 12:05:00 PM ] Product code: SM-G955UZVATMB
[ 29/03/2018 12:05:00 PM ] Phone version: G955USQU2BQK5
[ 29/03/2018 12:05:00 PM ] PDA version: G955USQU2BQK5
[ 29/03/2018 12:05:00 PM ] CSC version: G955UOYN2BQK5
[ 29/03/2018 12:05:00 PM ] CSC country code: USA
[ 29/03/2018 12:05:00 PM ] CSC sales code: TMB
[ 29/03/2018 12:05:00 PM ] HW version: REV1.0
[ 29/03/2018 12:05:00 PM ] Phone SN: R28J42693ZB
[ 29/03/2018 12:05:00 PM ] Chip name: MSM8998
[ 29/03/2018 12:05:00 PM ] Modem board: MSM8998
[ 29/03/2018 12:05:00 PM ] Security patch: 2017-11-01
[ 29/03/2018 12:05:00 PM ] RF cal date: 2017.04.18
[ 29/03/2018 12:05:00 PM ] IMEI: 357759081353468
[ 29/03/2018 12:05:00 PM ] Rebooting phone... OK
[ 29/03/2018 12:05:00 PM ] Waiting ADB device... OK
[ 29/03/2018 12:05:00 PM ] Waiting for device to become ready... OK
[ 29/03/2018 12:05:00 PM ] Initialization zTool... OK
[ 29/03/2018 12:05:00 PM ] Running zTool, please wait...
[ 29/03/2018 12:05:00 PM ] Start... OK
[ 29/03/2018 12:05:00 PM ] Initialization... OK
[ 29/03/2018 12:05:00 PM ] Generate and check client proof... OK
[ 29/03/2018 12:05:00 PM ] Verify proof by client... OK
[ 29/03/2018 12:05:00 PM ] Reading data from phone... OK
[ 29/03/2018 12:06:00 PM ] Rebooting to upload... OK
[ 29/03/2018 12:06:00 PM ] Searching Ramdump interface... COM10 detected
[ 29/03/2018 12:06:00 PM ] Reading data from phone... OK
[ 29/03/2018 12:07:00 PM ] Calculating... OK
[ 29/03/2018 12:07:00 PM ] Searching server... OK
[ 29/03/2018 12:07:00 PM ] Waiting for server answer... OK
[ 29/03/2018 12:07:00 PM ] Waiting ADB device... timeout
[ 29/03/2018 12:09:00 PM ] Phone not found
[ 29/03/2018 12:09:00 PM ]