| Error Message | Solution | | :--- | :--- | | "Device not found. Check MTP drivers." | Reinstall Samsung USB Drivers v1.7.51. Force stop "MTP Application" on the phone via recovery. | | "Failed to write frp.bin" | The phone is running Android 12 with a locked bootloader. Use the "Combo Flash" button instead of ADB. | | "Tool crashes on Windows 11" | Run in Windows 8 Compatibility Mode. Right-click executable -> Properties -> Compatibility. | | "Stuck at ‘Waiting for device…’" | Change USB port from 3.0 to 2.0. Use a USB hub. |

As of late 2025, Samsung has begun rolling out Knox Guard 3.0 and FRP v2 (which moves the lock file to the trust zone). Developers GSM Sulteng have hinted at a v1.4.0 beta that utilizes a UART (Universal Asynchronous Receiver-Transmitter) exploit. However, for the current generation of Samsung devices (2020-2024), v1.3.3 remains the most stable free solution.

The v1.3.3 update brings a suite of features designed to streamline the repair process. Here are the standout capabilities:

For devices stuck on "Custom binary blocked by FRP":

For older firmware versions or specific exploits, the tool includes a "Dialer" feature. This allows technicians to open the dialer on a locked device via ADB and input specific codes to access settings that are otherwise restricted, facilitating a faster bypass.