: Talented developers like those at XDA-Developers eventually found exploits to gain root access on specific early Android versions (8.0/8.1 Oreo). It wasn't a full bootloader unlock—meaning no custom kernels—but it allowed for deep system modification.
Note: If this option is missing, connect to Wi-Fi and wait. Some models require 7 days of uptime before the toggle appears. Power off your device completely. Press and hold Volume Down + Bixby + Power simultaneously.
: Navigate to Settings > Developer Options and find the OEM Unlocking toggle. If it's missing, connect to Wi-Fi and wait up to 7 days for it to appear. Boot into Device Unlock Mode : Power off your phone. unlock bootloader samsung s9 snapdragon high quality
: The process forces a factory reset, erasing everything.
Enter the provider’s IP address or domain name into the tool. Boot your S9 into and plug it into the PC. Some models require 7 days of uptime before
Download the official Android SDK Platform-Tools (ADB and Fastboot) zip file and extract it to your PC.
If you don't have a Chinese or Latin American Snapdragon model, the reliable option is using a paid third-party service. Currently, the two most reliable and reputable services for this are SamPWND and UNSAMLOCK , both of which have been developed by long-standing members of the XDA community. : Navigate to Settings > Developer Options and
This restriction applies to all major US carrier models, such as , regardless of whether it was purchased from a carrier or as an unlocked version directly from Samsung. The only reliable way to achieve bootloader unlock on these devices is through paid, third-party services or advanced exploits.
Some specific Snapdragon S9 models, particularly those sold in regions like China (SM-G9600) and Latin America, have an unlockable bootloader by design. If you own one of these variants, the process is official and far safer: