N920T Baseband Unknown

Hello.
How can I solve this?


Using Version...1.0.0.0058
Selected Port SAMSUNG Mobile USB Modem #3 COM6
Selected Model GT-I5500
Selected Task SAMSUNG ExynosEFS RESET

Searching phone...
Device Found..
MODEL=SM-N920T;UN=1215FCB382962905;CAPA=32;VENDOR=SAMSUNG;F WVER=0301;PRODUCT=KLUBG4G1BD-E0B2;PROV=PASS;
Init ok..
Device := SM-N920T:USA:TMO:0:N920TUVS5ERD1
Samsung Exynos EFS Reset Success..
Fail-Flash..
Possible New BootLoader Try Downgrade and retry...
Finish...

!!! Success !!!!
Restart Phone if not auto...
Total Time Take...00:00:33