sm-g928t baseband become unknown after update

also try with old version modem but still problem remain

Selected AP file: L:\Samsung\Samsung\g928t\G928TUVU2COI5
_G928TTMB2COI5_G928TUVU2COI5_HOME.tar.md5
Please put the phone into Download Mode and connect USB cable.
To put SM-G928T into Download Mode, You have to perform the
following steps:
1. Press and hold "Volume-" + "Home" + "Power ON" keys.
2. When phone turns on, press "Volume+" key.
Found phone on
Advanced mode!
Firmware write started.
Writing RADIO section...
RADIO section has been written successfully.
Firmware writing successfully completed.
Performed by 2.6.5 Software version.


here is info

Welcome to Octoplus Box Samsung software version 2.6.5
-----------------------------------------------------------------------------------
To connect SM-G928T phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1
Selected model: SM-G928T
Operation was canceled
Reading security was canceled.
Performed by 2.6.5 Software version.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1
Selected model: SM-G928T
Reading info, please wait...
Please, press "OK" button on the phone to allow USB debugging.
Please, press "OK" button on the phone to allow USB debugging.
Detected phone model: SM-G928T
Firmware compiled date: Fri Mar 17 20:46:15 KST 2017
PDA version: G928TUVU4EQC6
CSC version: G928TTMB4EQC6
SW version: unknown
Phone SN: 00000000000
Android version: 7.0 (NRD90M)
Sales code: TMB
Country: USA
HW platform: exynos5
HW Chip: exynos7420
HW Modem: unknown
Security patch level: 2017-03-01
SIM 1 status: not ready
Codename: zenltetmo
Performed by 2.6.5 Software version.


also flash with :

G928TUVU4EQG3_G928TTMB4EQG3_TMB


G928TUVU4DQC2_G928TTMB4DQC2


but no luck