samsung G981U
 

cannot unlock this samsung ;
ADB Start Server : OK
ADB Version : 1.0.32
ADB Connected Mobile : OK
ADB Mobile Authorized : OK
Getting Mobile AdbID : RFCN604SSTN
Getting Mobile Brand : samsung
Getting Mobile Model : SM-G981U
Getting Android Version : 11
Getting Android Build : G981USQS2DUJ7
Getting Baseband Version : G981USQS2DUJ7
Getting Mobile Security Patch Date : 2021-11-01
Getting Mobile Carrier : SPR
Getting Android Status : Enforcing
Getting Mobile KNOX : 0
Getting Mobile IMEI : 355611111090945
Connecting to Server to Check if Model Supported : OK
Operation Credits Cost : 6 Credits
Setting Debug Level MID : OK
Getting Authorization from Server : OK
Read SIMLock Blob : Failed
SIMLock Blob Not Found, Inseret Any SIMCard Then Try Again

I downgraded it from Android 12 to 11