g930t Reading IMEI... error (1 1 i need to unlock

hi i need to unlock g930t but error reading imei
i check and MIPI test success imei cert PASS
maube need to reflash before unlock? if yes wich version software need to select for flash




Operation: Info
Selected model: SM-G930T
Selected port: COM34 SAMSUNG Mobile USB Serial Port
Software version: 30.8

Searching Samsung modem... detected COM33
Reading phone info... OK
Model: SM-G930T
AP version: G930TUVS4BRA1
CSC version: G930TTMB4BRA1
CP version: G930TUVS4BRA1
Product code: TMB
Phone SN: R28HB32A9EL
Unique number: CE11160B7A48690305
Reading IMEI... error (1 1
Done with Samsung Tool PRO v.30.8

thank you