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The SamFirmware tool latest version is the only free tool that reliably handles Samsung’s 2026 security protocols (including Knox Guard bypass for firmware extraction).
| Tool | Latest Version | Speed | Decryption | Region Unlock | Safe? | | :--- | :--- | :--- | :--- | :--- | :--- | | | v3.2.1 (2026) | Fast (8 threads) | Automatic | Manual CSC change | Yes (Open Source) | | Frija | v2.0.22082 | Medium | Automatic | No | Yes | | Bifrost | v1.8.2 | Slow (2 threads) | Manual via script | Yes | Yes | | SamFirm (Original) | v0.3.6 (Abandoned) | Broken | Fails on new ROMs | No | No | samfirmware tool latest version
Once the SamFirmware tool downloads and decrypts your firmware (as a .tar.md5 file), you need or newer: The SamFirmware tool latest version is the only