Unlock Bootloader Samsung S9 Snapdragon High Quality (CONFIRMED)

Open Phone Info SAM on your phone. Look at the Bootloader Version. If it ends in 1, 2, or 3, you can proceed. If it is 4 or higher, stop immediately – no unlock exists for Bits 4+.

As of 2026, Samsung and Qualcomm have patched most exploits. If your Samsung S9 Snapdragon has a Bootloader version U9, U10, or higher (check via: adb shell getprop ro.boot.bootloader):

After unlocking the bootloader and potentially installing a custom ROM: unlock bootloader samsung s9 snapdragon high quality

To ensure a high-quality, brick-free experience, gather these tools:

Samsung enforces a Chipset-based locking policy: Open Phone Info SAM on your phone

| Chipset | Bootloader Status | Unlockable? | |---------|------------------|--------------| | Exynos (International) | Unlockable via Developer Options | Yes (Official) | | Snapdragon (US/Canada/China) | Permanent Lock | No (with rare exploits) |

For the Snapdragon S9 (SM-G960U, SM-G960U1, SM-G960W, SM-G9600): As of 2026, Samsung and Qualcomm have patched most exploits

High Quality = Using the safest, most reliable method available. For most Snapdragon S9 owners, that means not unlocking — but using combination firmware or exploits.

After rebooting, you should see a "Custom Binary Warning" with an orange/red warning sign when turning on the phone. If you see "Bootloader Unlocked" in Download Mode (bottom left corner), congratulations.