Version 3.40 includes hundreds of new dedicated loaders for Snapdragon 7 and 8 series chips.
Updating is straightforward, but it requires ensuring your hardware dongle is recognized:
Improved handshake protocols for devices put into Emergency Download Mode (EDL) via test points. 3. Samsung FRP & Security
Enhanced algorithms for unlocking carrier-locked devices from global providers. How to Update from 3.39 to 3.40