General USB troubleshooting and software fixes can be found at Disk Drill for cases where hardware-specific MP tools aren't required. Are you trying to recover data from a broken drive, or are you looking to re-flash the firmware to make a non-working drive usable again?
Firmware bin choice
A consumer-level application developed by Alcor Micro for partition management, password protection, and general security on supported drives. How to Repair Your USB Drive Follow these steps to restore a malfunctioning AU6989SN-GTC flash drive: alcor micro au6989sn-gtc software
The is a single-chip USB 2.0 flash drive controller widely used in budget and mid-range USB thumb drives, SD card readers, and embedded storage devices. It belongs to Alcor’s AU6989 series, known for its low cost, decent compatibility, and support for various NAND flash types (MLC, TLC, QLC, and 3D NAND). General USB troubleshooting and software fixes can be