Z3X after unlocked G935T only searching no signal

[ 16/4/2018 18:40:00 ]
[ 16/4/2018 18:40:00 ] Checking Login and Password... OK
[ 16/4/2018 18:40:00 ] Ballance: 50 crd.
[ 16/4/2018 18:40:00 ] You have 50 credit(s) left. This operation takes 10 credits.Continue? Yes
[ 16/4/2018 18:40:00 ] Waiting ADB device... OK
[ 16/4/2018 18:40:00 ] Reading phone info...
[ 16/4/2018 18:40:00 ] Model: SM-G935T
[ 16/4/2018 18:40:00 ] Android version: 7.0
[ 16/4/2018 18:40:00 ] PDA version: G935TUVS4BQJ2
[ 16/4/2018 18:40:00 ] CSC version: G935TTMB4BQJ2
[ 16/4/2018 18:40:00 ] Phone version: G935TUVS4BQJ2
[ 16/4/2018 18:40:00 ] Product code: SM-G935TZKATMB
[ 16/4/2018 18:40:00 ] CSC country code: USA
[ 16/4/2018 18:40:00 ] CSC sales code: TMB
[ 16/4/2018 18:40:00 ] Phone SN: RF8H31H5xxx
[ 16/4/2018 18:40:00 ] IMEI: 3572190711xxxxx
[ 16/4/2018 18:40:00 ] HW version: REV0.7
[ 16/4/2018 18:40:00 ] RF cal date: 2016.03.15
[ 16/4/2018 18:40:00 ] Chip name: MSM8996
[ 16/4/2018 18:40:00 ] Modem board: MSM8996
[ 16/4/2018 18:40:00 ] Security patch: 2017-11-01
[ 16/4/2018 18:40:00 ] Boot Warranty bit: 0
[ 16/4/2018 18:40:00 ] Rebooting phone... OK
[ 16/4/2018 18:40:00 ] Waiting ADB device... OK
[ 16/4/2018 18:41:00 ] Rebooting phone... OK
[ 16/4/2018 18:41:00 ] Waiting ADB device... OK
[ 16/4/2018 18:41:00 ] Waiting for device to become ready... OK
[ 16/4/2018 18:41:00 ] Initialization zTool... OK
[ 16/4/2018 18:41:00 ] Running zTool, please wait...
[ 16/4/2018 18:41:00 ] Start... OK
[ 16/4/2018 18:41:00 ] Initialization... OK
[ 16/4/2018 18:41:00 ] Generate and check client proof... OK
[ 16/4/2018 18:41:00 ] Verify proof by client... OK
[ 16/4/2018 18:41:00 ] Reading data from phone... OK
[ 16/4/2018 18:41:00 ] Rebooting to upload... OK
[ 16/4/2018 18:41:00 ] Searching Ramdump interface... COM17 detected
[ 16/4/2018 18:42:00 ] Reading data from phone... OK
[ 16/4/2018 18:42:00 ] Calculating... OK
[ 16/4/2018 18:42:00 ] Searching server... OK
[ 16/4/2018 18:42:00 ] Waiting for server answer... OK
[ 16/4/2018 18:42:00 ] Waiting ADB device... OK
[ 16/4/2018 18:42:00 ] Waiting for device to become ready... OK
[ 16/4/2018 18:43:00 ] Initialization zTool... OK
[ 16/4/2018 18:43:00 ] Running zTool, please wait...
[ 16/4/2018 18:43:00 ] Start... OK
[ 16/4/2018 18:43:00 ] Initialization... OK
[ 16/4/2018 18:43:00 ] Generate and check client proof... OK
[ 16/4/2018 18:43:00 ] Verify proof by client... OK
[ 16/4/2018 18:43:00 ] Reading data from phone... OK
[ 16/4/2018 18:43:00 ] Rebooting phone... OK
[ 16/4/2018 18:43:00 ] Unlock done
[ 16/4/2018 18:43:00 ]