: For context, these remain the easiest to unlock and are the standard for custom ROM development. General Unlocking Process (For Supported Models)

For Samsung devices, you'll typically use a tool like Odin. Download the appropriate Odin version and an unlocking file for your device. Follow the specific instructions for your device and tool, as the process can vary.

Unlocking the bootloader on a Snapdragon-powered Samsung Galaxy S9 is highly dependent on your specific regional model. While international Snapdragon models (like those from China or Latin America) offer a straightforward path, U.S. and Canadian models are notoriously difficult due to factory-enforced locks. 1. Identify Your Model Before starting, verify your model number in Settings > About Phone SM-G9600 (China/Hong Kong/Latin America Snapdragon): Officially unlockable via Developer Options. SM-G960U/U1/W (U.S./Canada Snapdragon): Officially permanently locked