Samsung appears to have removed the OEM Unlocking option in One UI 8, disabling bootloader unlocking on more devices than before.

Samsung’s One UI 8 update appears to block more users from unlocking their device’s bootloader, preventing them from installing custom software and making other changes to their Galaxy device.

Samsung's One UI 7 update is here, bringing a host of exciting features and enhancements that will make your Galaxy device even more user-friendly and powerful. "Samsung One UI 7 Update - EVERY ...

A toggle that would let Samsung owners install custom software has disappeared on phones shipping with the new OS, and One UI 8 beta builds for the Galaxy S25.