Error Unlock N960u Opciones

[pirrus]

buenos dias colegas tengo un problema con la liberacion de un samsung n960u Tmobile , me da el error unable to unlock si alguien puede ayudarme ya intente tambien remover rmm pero me da el mismo error cambie varios puertos y me da el mismo error dejo el log

Chimera Mobile Phone Utility version: 22.18.0611 @ 2019-08-28
Printing phone history

Knoxguard Unlock
28/08/2019
15:53:19

Rmm Unlock
28/08/2019
15:48:25

Unlock Online
28/08/2019
15:43:02

Unlock Online
28/08/2019
15:39:39

Unlock Online
28/08/2019
15:36:53

Unlock phone started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-N960U
Sales Code: TMB
Country Code: USA
Timezone: America/Phoenix
Android Version: 9 [PPR1.180610.011] [SDK 28]
Build Date: Wed Jul 17 19:39:04 KST 2019
PDA Version: N960USQU2CSGA [july 2019, revA]
Phone Version: N960USQU2CSGA [july 2019, revA]
CSC Version: N960UOYN2CSGA [july 2019, revA]
Product Code: TMB
HIDSw Version: N960USQU2CSGA/N960UOYN2CSGA/N960USQU2CSGA/N960USQU2CSGA
Board Platform: SDM845
Modem Platform: SDM845
Serial Number: RF8K80NZH3M
Imei: 3586--
Unique Number: CE061826
Connections: AT,MTP
Battery Status: 4.30V (100%)
Network Type: GSM
SIM Status: LOADED
Multisim Config: SS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2019-07-01
Data Encryption State: encrypted
Preparing...
The phone will restart in upload mode, this is normal operation, do not worry!
Switching to upload mode. Be patient! Do NOT disconnect the phone!
Waiting for upload interface...
Waiting for upload interface. Be patient! Do NOT disconnect the phone!
Upload interface: SAMSUNG Mobile USB Modem (COM109)
Reading data...
Reading data is in progress. Be patient! Do NOT disconnect the phone!
Unable to unlock.
Finished at local time: [08.28.19 08:57:46]
WorkID: 71251743