N960U unable to unlock

Chimera Mobile Phone Utility version: 21.24.1324 @ 2019-05-27
Printing phone history

Unlock Online
5/27/2019
6:49:16
AM

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: Asia/Dhaka
Android Version: 9 [PPR1.180610.011] [SDK 28]
Build Date: Mon Apr 1 11:10:55 KST 2019
PDA Version: N960USQS1CSD1 [april 2019, rev1]
Phone Version: N960USQS1CSD1 [april 2019, rev1]
CSC Version: N960UOYN1CSD1 [april 2019, rev1]
Product Code: TMB
HIDSw Version: N960USQS1CSD1/N960UOYN1CSD1/N960USQS1CSD1/N960USQS1CSD1
Board Platform: SDM845
Modem Platform: SDM845
Serial Number: RF8M22MBVPA
Imei: 35862109xxxxxx
Unique Number: 988E4D5649564xxxxx
Connections: AT,MTP
Battery Status: 4.23V (97%)
Network Type: GSM
SIM Status: ABSENT
Multisim Config: SS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2019-04-01
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 (COM40)
Reading data...
Reading data is in progress. Be patient! Do NOT disconnect the phone!
Unable to unlock.
Finished at local time: [05.27.19 12:53:56]
WorkID: 60839404