G955U tmobile not unlocked

3/27/2018 2:32:00 PM ] Waiting ADB device... OK
[ 3/27/2018 2:32:00 PM ] Reading phone info...
[ 3/27/2018 2:32:00 PM ] Model: SM-G955U
[ 3/27/2018 2:32:00 PM ] Android version: 7.0
[ 3/27/2018 2:32:00 PM ] Product code: SM-G955UZKATMB
[ 3/27/2018 2:32:00 PM ] Phone version: G955USQS2BRB1
[ 3/27/2018 2:32:00 PM ] PDA version: G955USQS2BRB1
[ 3/27/2018 2:32:00 PM ] CSC version: G955UOYN2BRB1
[ 3/27/2018 2:32:00 PM ] CSC country code: USA
[ 3/27/2018 2:32:00 PM ] CSC sales code: TMB
[ 3/27/2018 2:32:00 PM ] HW version: REV1.0
[ 3/27/2018 2:32:00 PM ] Phone SN: R2xxxxxxx
[ 3/27/2018 2:32:00 PM ] Chip name: MSM8998
[ 3/27/2018 2:32:00 PM ] Modem board: MSM8998
[ 3/27/2018 2:32:00 PM ] Security patch: 2018-02-01
[ 3/27/2018 2:32:00 PM ] RF cal date: 2017.04.17
[ 3/27/2018 2:32:00 PM ] IMEI: 3xxxxxxxxxxxx
[ 3/27/2018 2:32:00 PM ] Waiting for device to become ready... OK
[ 3/27/2018 2:32:00 PM ] Initialization zTool... error (0.8)