belongs to the "GTC" series, which includes specific enhancements over the standard "GT" or "GBT" variants
Remember that this process is intended for troubleshooting and repair purposes. For critical data storage, always maintain multiple backup copies, as no single USB drive—regardless of how well it functions after repair—should be trusted as your only copy of important information.
Every USB flash drive contains two primary components: a NAND flash memory chip (where data is stored) and a controller chip (the brain that manages data flow).
: One of the most stable official versions for this chip. alcor micro au6989sn-gtc software
Versions specifically supporting the include AlcorU2MP v18.02.06.MD and subsequent updates up to v23.08.07.00.H .
Visit reputable USB repair repositories such as or FlashBoot.ru .
Alcor Micro AU6989SN-GTC high-performance USB 2.0 flash disk controller typically managed through the (Mass Production) tool suite belongs to the "GTC" series, which includes specific
Download a free USB diagnostic tool like or Flash Drive Information Extractor (FDIE) .
| Software Version | Notes | |-----------------|-------| | ALCOR_U2_MP_v17.07.17.00 | Supports AU6989SN-GT, SNL, SNL-B, GTA, GTB, and GTC. Good for older drives that other versions cannot handle | | ALCOR_U2_MP_v18.05.29.02 | Reported by users as the only version that worked for certain AU6989SN-GTC drives. Excellent for restoring true capacity on fake-capacity drives | | AlcorMP v16.11.01.00 (or newer) | Supports the full AU6989 series including GTC. Offers enhanced flash chip support | | AlcorMP v14.04.03.00 | An older but stable version, recommended for drives manufactured before 2018 | | ALCOR_U2_MP_v21.06.01.01 | A newer version tested on AU6989 controllers. Works well for write-protection issues |
| Error Code | Meaning | Solution | |------------|---------|----------| | | NAND not supported | Try newer AlcorMP version or manually select NAND type. | | 0x02 | Bad block count too high | NAND is failing – tool will likely fail; discard drive. | | 0x03 | Firmware mismatch | Extract firmware (.fw or .bin) from another drive or find correct firmware pack. | | 0x06 | CID write fail | Reinstall driver, disable signature enforcement, run as admin. | | 0x0E | Timeout during test | Drive connection unstable – try different USB port (USB 2.0 preferred). | : One of the most stable official versions for this chip
The is one of the most widely used USB 2.0 flash drive controllers on the market, commonly found in mass-produced and promotional USB sticks. While highly cost-effective, flash drives built on this controller are susceptible to firmware corruption, resulting in frustrating errors like "Write Protected," "Please Insert Disk," or a "0 Bytes" unreadable storage capacity.
Confirm it explicitly states (or lists the MP Tool version required, such as AlcorMP(16.xx.xx) ).
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