Now you can not change CSC code with firmware + SIM-card | Page 29 | XDA Forums
Alseery-Soft - NEW Free | Change CSC | All SAMSUNG | All Security | General Unlocker Pro Change CSC All SAMSUNG Android 12 Change CSC All SAMSUNG Android 11 Change CSC All
List of Samsung Galaxy CSC Country Specific Product code and region they belong to
Samsung CSC Codes List (All) | Change CSC on Samsung Devices