: Try inserting the USB into a completely different computer running a different OS (like Linux or macOS) or simply an older Windows machine. Sometimes another machine can overcome the handshake failure long enough for you to pull your files off. The "Proper Ejection" Trick
Do not search for "SM3255AA Memory Bar Driver 43." Instead:
Before flashing firmware, you must verify that your "Memory Bar" is strictly an SM3255AA chip.
Note: The repair process will try to locate the necessary ISP (In-System Programming) code for your specific NAND chip. If it fails, you may need a more advanced MPTool (Step 5).
. Unplug the drive and plug it back in to let Windows reinstall the default driver. Step 2: Identify the Controller