unlock failed samsung g981u

[nicelys]

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 from Adroid 12 to 11