The SamFW tool itself must be updated to include newer exploits. If the user runs an older version against a recently updated phone, the mismatch triggers the fail message.
is newer than the exploit built into the version of SamFW you are using, the tool will fail because the "backdoor" has been closed. How to Fix or Work Around It Update SamFW Tool : Ensure you are using the absolute latest version from the official SamFW website samfw running exploit fail updated
includes optimizations for newer Android versions and EDL (Emergency Download Mode) support for specific Qualcomm models. Driver Issues : Ensure you have the official Samsung USB Drivers The SamFW tool itself must be updated to
If you're looking for ways to unlock your Samsung device's bootloader or gain more control over your device, there are alternative methods available. For example: How to Fix or Work Around It Update