Click the "Unlock Bootloader (Extra Quality)" button. A dialog will appear asking for "Write Protection Bypass." Select "Force Erase Write Protect" (this is the "Extra Quality" feature that removes persistent locks).

This tool is primarily for developers and enthusiasts looking to extend the life of their devices through custom operating systems or to repair "brick" states where the original OS is no longer functional.

Unlocking Potential: The Definitive Guide to "SMT Bootloader Unlock Tool Extra Quality"