Click . The phone will flash this factory testing firmware and reboot into a strange, bare-bones user interface. Step 4: Run the Root and Exploit Scripts Once inside the combination OS:
Old Android 8.0 bootloader v1/v2 allowed a root method via modified Odin.
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For those who succeeded, the victory was bittersweet. Unlocking the bootloader on a Samsung device is a one-way trip:
Using a modified version of Odin (often called "Odin PrinceComsy") to bypass certain signature checks. unlock bootloader samsung s9 snapdragon high quality
In Odin, load the modified system images provided by your unlock package into the , AP , CP , and CSC slots.
If your Snapdragon S9 has been updated to newer security patches (Binary 3 up to Binary 8+), software exploits will fail. The only functioning solution for North American retail variants (U, U1, W) is using a paid remote USB service like or private developers on Telegram/XDA.
Install these on your PC so Windows can communicate with your phone in Download Mode.
While these methods are generally stable, always follow instructions precisely to avoid damaging your device. Understanding the Snapdragon Situation (S9) Snapdragon S9 This public link is valid for 7 days
Because of this hardware and firmware lock, you cannot use standard tools like Odin alone to unlock a Snapdragon S9. You must rely on specific bootloader bypass exploits developed by the Android modding community, such as the famous "SamplePool" combination firmware vulnerabilities. Important Risks and Prerequisite Warnings
As of 2026, Samsung and Qualcomm have patched most exploits. If your Samsung S9 Snapdragon has a (check via: adb shell getprop ro.boot.bootloader ):
Generally, no. Official free methods do not exist for US Snapdragon models. While some users have explored hardware-level exploits, these are highly experimental, risky, and not suitable for most users.
From Safestrap, you can now flash heavily modified ROMs, custom kernels designed to run on the exploit, and root packages like Magisk. Alternative Option: Paid Unlocking Services Can’t copy the link right now
Modifying your device at the bootloader level carries permanent consequences. Understand these factors before proceeding:
Combination firmware is a factory testing software that lacks standard security restrictions, allowing exploit tools to interact with the bootloader. Turn off your Galaxy S9.
At this point, you should connect your phone to your PC and launch Odin. While the official unlock involves using Odin to flash custom binaries, the process is model-specific. For many Exynos variants, a simple confirmation is required. A warning screen will appear, informing you of the risks of unlocking the bootloader. Press the key to confirm and initiate the unlock process. Your device will then reboot, performing a full factory reset. Upon restart, the bootloader is officially unlocked.
Run the automated unlock script ( root.bat or unlock.sh provided by the specific exploit archive).