g550t stucked on security error after trying to read cert. log is under
[ 3/20/2018 7:02:00 PM ] Operation: Read CERT
[ 3/20/2018 7:02:00 PM ] Selected model: SM-G550T
[ 3/20/2018 7:02:00 PM ] Software version: 30.9
[ 3/20/2018 7:02:00 PM ]
[ 3/20/2018 7:02:00 PM ] Waiting ADB device... OK
[ 3/20/2018 7:02:00 PM ] Reading phone info...
[ 3/20/2018 7:02:00 PM ] Model: SM-G550T
[ 3/20/2018 7:02:00 PM ] Android version: 6.0.1
[ 3/20/2018 7:02:00 PM ] Product code: SM2G550TZKATMB
[ 3/20/2018 7:02:00 PM ] Phone version: G550TUVU2AQC4
[ 3/20/2018 7:02:00 PM ] PDA version: G550TUVU2AQC4
[ 3/20/2018 7:02:00 PM ] CSC version: G550TTMB2AQC4
[ 3/20/2018 7:02:00 PM ] CSC country code: USA
[ 3/20/2018 7:02:00 PM ] CSC sales code: TMB
[ 3/20/2018 7:02:00 PM ] HW version: REV0.4
[ 3/20/2018 7:02:00 PM ] Phone SN: RV8H60PTJ6N
[ 3/20/2018 7:02:00 PM ] Chip name: EXYNOS3475
[ 3/20/2018 7:02:00 PM ] Modem board: SHANNON308
[ 3/20/2018 7:02:00 PM ] Security patch: 2017-03-01
[ 3/20/2018 7:02:00 PM ] RF cal date: 20160613
[ 3/20/2018 7:02:00 PM ] IMEI: 358696071955267
[ 3/20/2018 7:02:00 PM ] Checking Super user right... true
[ 3/20/2018 7:02:00 PM ] Reading NV data... OK
[ 3/20/2018 7:02:00 PM ] Checking NV data... OK
[ 3/20/2018 7:02:00 PM ] Reading data... OK
[ 3/20/2018 7:02:00 PM ] Detecting MODEM... OK
[ 3/20/2018 7:02:00 PM ] Reading MODEM... OK
[ 3/20/2018 7:03:00 PM ] Calculating... OK
[ 3/20/2018 7:03:00 PM ] Initialization data... OK
[ 3/20/2018 7:03:00 PM ] Writing zTool... OK
[ 3/20/2018 7:03:00 PM ] Initialization zTool... OK
[ 3/20/2018 7:03:00 PM ] Running zTool, please wait...
[ 3/20/2018 7:03:00 PM ] Start... OK
[ 3/20/2018 7:03:00 PM ] Initialization... OK
[ 3/20/2018 7:03:00 PM ] Generate and check client proof... OK
[ 3/20/2018 7:03:00 PM ] Verify proof by client... OK
[ 3/20/2018 7:03:00 PM ] Reading data... error (1)
[ 3/20/2018 7:03:00 PM ] Initialization zTool... error (0 1)
[ 3/20/2018 7:03:00 PM ] Try downgrade modem if possible
[ 3/20/2018 7:03:00 PM ]
[ 3/20/2018 7:02:00 PM ] Operation: Read CERT
[ 3/20/2018 7:02:00 PM ] Selected model: SM-G550T
[ 3/20/2018 7:02:00 PM ] Software version: 30.9
[ 3/20/2018 7:02:00 PM ]
[ 3/20/2018 7:02:00 PM ] Waiting ADB device... OK
[ 3/20/2018 7:02:00 PM ] Reading phone info...
[ 3/20/2018 7:02:00 PM ] Model: SM-G550T
[ 3/20/2018 7:02:00 PM ] Android version: 6.0.1
[ 3/20/2018 7:02:00 PM ] Product code: SM2G550TZKATMB
[ 3/20/2018 7:02:00 PM ] Phone version: G550TUVU2AQC4
[ 3/20/2018 7:02:00 PM ] PDA version: G550TUVU2AQC4
[ 3/20/2018 7:02:00 PM ] CSC version: G550TTMB2AQC4
[ 3/20/2018 7:02:00 PM ] CSC country code: USA
[ 3/20/2018 7:02:00 PM ] CSC sales code: TMB
[ 3/20/2018 7:02:00 PM ] HW version: REV0.4
[ 3/20/2018 7:02:00 PM ] Phone SN: RV8H60PTJ6N
[ 3/20/2018 7:02:00 PM ] Chip name: EXYNOS3475
[ 3/20/2018 7:02:00 PM ] Modem board: SHANNON308
[ 3/20/2018 7:02:00 PM ] Security patch: 2017-03-01
[ 3/20/2018 7:02:00 PM ] RF cal date: 20160613
[ 3/20/2018 7:02:00 PM ] IMEI: 358696071955267
[ 3/20/2018 7:02:00 PM ] Checking Super user right... true
[ 3/20/2018 7:02:00 PM ] Reading NV data... OK
[ 3/20/2018 7:02:00 PM ] Checking NV data... OK
[ 3/20/2018 7:02:00 PM ] Reading data... OK
[ 3/20/2018 7:02:00 PM ] Detecting MODEM... OK
[ 3/20/2018 7:02:00 PM ] Reading MODEM... OK
[ 3/20/2018 7:03:00 PM ] Calculating... OK
[ 3/20/2018 7:03:00 PM ] Initialization data... OK
[ 3/20/2018 7:03:00 PM ] Writing zTool... OK
[ 3/20/2018 7:03:00 PM ] Initialization zTool... OK
[ 3/20/2018 7:03:00 PM ] Running zTool, please wait...
[ 3/20/2018 7:03:00 PM ] Start... OK
[ 3/20/2018 7:03:00 PM ] Initialization... OK
[ 3/20/2018 7:03:00 PM ] Generate and check client proof... OK
[ 3/20/2018 7:03:00 PM ] Verify proof by client... OK
[ 3/20/2018 7:03:00 PM ] Reading data... error (1)
[ 3/20/2018 7:03:00 PM ] Initialization zTool... error (0 1)
[ 3/20/2018 7:03:00 PM ] Try downgrade modem if possible
[ 3/20/2018 7:03:00 PM ]
