The you are trying to run (e.g., Change CSC, Remove FRP)

The success of the tool depends heavily on the phone's state.

The "Running Exploit... FAIL" error in the SamFw tool typically occurs when attempting to bypass Factory Reset Protection (FRP) or change a Samsung device's Consumer Software Configuration (CSC)

John with a Samsung A12 (SM-A125F) Security Patch: September 2022 Error: "Running exploit fail" at 10%.

On newer Samsung models, the Samsung Auto Blocker feature prevents unauthorized USB commands, effectively killing the exploit before it starts. Step-by-Step Troubleshooting Guide 1. Enable Developer Options and USB Debugging Ensure your phone is ready to receive commands. Go to Settings > About phone > Software information .

If you are running a recent Android version, this security feature may be the culprit. Go to > Security and privacy > Auto Blocker .

Sometimes, the specific exploit in SAMFW is incompatible with your phone’s chipset (Exynos vs. Snapdragon vs. MediaTek). Try these free alternatives:

Open ODIN on your PC and map the extracted firmware files to their designated slots: BL , AP , and CP .

If you can access the device browser or Galaxy Store through other MTP shortcuts in SamFW, look into manual bypass methods utilizing Knox enrollment or Alliance Shield X setups.

If your device does not open a menu with *#0*# , your carrier or firmware has disabled this menu, meaning the standard SamFW exploit method cannot function. Alternative Solutions If the Exploit Keeps Failing

Open the dialer again and enter to launch hardware Test Mode.

Samsung releases monthly security updates. If your phone’s security patch date is , most of the old "free" exploits no longer work. The samfw running exploit fail error is simply Samsung’s security doing its job.

If you encounter the Running Exploit... FAIL notification, use the following steps to resolve the communication or software bottleneck. 1. Configure the Correct USB Diagnostics Mode