n910t 5.1.1 says EFS is wiped, but imei is not null


Using Version…1.0.0.0038
Selected Model SM-N910T
Selected Task SAMSUNG RESET-EFS
Searching ADB device Please wait..
Device Detected…
Security:= OFF Unsecure device
model:= SM-N910T
Androids Version:= 5.1.1
Description Version:= trltetmo-user 5.1.1 LMY47X N910TUVU2DOK2 release-keys
Platform:= apq8084 [ qcom ] [ mdm ]
Baseband:= N910TUVU1COG2
VER:= N910TUVU2DOK2/N910TTMB2DOK2/N910TUVU1COG2/N910TUVU2DOK2
Carrier := TMB_USA
EFS CSC := TMB
AP UART Status := Disable.
Network Mode := 0
Simstatus:= ABSENT
BusyBox version := 1.23.2
ANDROID-ID = 0a6eda60_0000742062
Detected su binary at /xbin
type1 root exploit possible.
SU Version..2.77:SUPERSU
Device is Secure Rooted..uid=0
System Permission is Read/Write…
SAMSUNG RESET-EFS STARTED…
Reading Backup..
Make Factory Restore Tar := done..
Backup Reading Done..910
Reseting EFS/Fixing Null IMEI…Done..
Rebuilding EFS..Done..
Restarting Phone…
!!! Success !!!!
Restart Phone Manually before doing anything…
Total Time Take…00:01:40
Log Saved

I even down graded the baseband to COG2 and still nothing…

Using Version…1.0.0.0038
Selected Model SM-N910T
Selected Task SAMSUNG RESET-EFS
Searching ADB device Please wait..
Device Detected…
Security:= OFF Unsecure device
model:= SM-N910T
Androids Version:= 5.1.1
Description Version:= trltetmo-user 5.1.1 LMY47X N910TUVU2DOK2 release-keys
Platform:= apq8084 [ qcom ] [ mdm ]
Baseband:= N910TUVU1ANK4
VER:= N910TUVU2DOK2/N910TTMB2DOK2/N910TUVU1ANK4/N910TUVU2DOK2
Carrier := TMB_USA
EFS CSC := TMB
AP UART Status := Disable.
Network Mode := 0
Simstatus:= NOT_READY
BusyBox version := 1.23.2
ANDROID-ID = 0a6eda60_0000833E52
Detected su binary at /xbin
type1 root exploit possible.
SU Version..2.77:SUPERSU
Device is Secure Rooted..uid=0
System Permission is Read/Write…
SAMSUNG RESET-EFS STARTED…
Reading Backup..
Make Factory Restore Tar := done..
Backup Reading Done..910
Reseting EFS/Fixing Null IMEI…Done..
Rebuilding EFS..Done..
Restarting Phone…
!!! Success !!!!
Restart Phone Manually before doing anything…
Total Time Take…00:01:33

So then I even down graded to NK4 and program says success and the phone shows imei null but wont let me write cert says phone is damaged because of baseband… I up grade baseband to original ok2 and try and write cert but imei is back and no longer null…