: Use an original USB-C cable and try a USB 2.0 port on your PC, as USB 3.0/3.1 ports sometimes cause communication errors with ADB commands. Method Selection
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. samfw running exploit fail updated
Instead of failing on one exploit, it tries a prioritized chain of known exploits (e.g., MTP → Settings Crash → TalkBack → QR Add account → Google Account Manager). If one fails, it rolls to the next. : Use an original USB-C cable and try a USB 2