Cause: The SSD dropped the connection during flashing. Fix: Try a different USB port (USB 2.0 is more stable than USB 3.0). Ensure you are not using a long extension cable. Check the power supply; some USB ports do not deliver enough amps for the erase cycle.
Cause: The NAND chips are physically worn out or damaged. Fix: Go to Settings -> Capacity. Manually reduce the total capacity by 50% (e.g., set 64GB for a 128GB drive). This allows the tool to ignore the dead blocks and build a working drive with remaining healthy space.
When you click "Start," the MPTool executes a highly orchestrated sequence:
This is the most common issue. The SSD’s firmware translation layer (FTL) has crashed. The drive is still detected in BIOS, but Windows shows it as 0 bytes. Some iterations show the drive as exactly 20MB (Rescue Mode). ys9082hp mptool
The YS9082HP MP Tool (Mass Production Tool) is a firmware flashing and low-level formatting utility designed specifically for Solid-State Drives (SSDs) using the Yeestor YS9082HP controller. Yeestor is a Chinese controller manufacturer whose products are widely found in budget and mid-range SSDs from brands like KingSpec, Goldenfir, Netac, FOX Spirit, and many generic "no-name" drives.
If your SSD has suddenly become undetectable by the BIOS, shows 0MB capacity, is stuck in a read-only state, or exhibits frequent corruption, the MP Tool is often the only software capable of bringing it back to life.
This is not a data recovery tool. It will permanently erase all data on the drive. Use it in these specific scenarios: Cause: The SSD dropped the connection during flashing
Note: replace placeholders (DEVICE, IMAGE, PARTITION) with actual names/paths from your setup.
Flash a firmware image (single partition)
mptool --flash --partition rootfs --file ./images/rootfs.img DEVICE
Backup partitions
mptool --backup --partition bootloader --out ./backups/bootloader.bin DEVICE
mptool --backup-all --out ./backups/ys9082hp-$(date +%F).img DEVICE
Restore partition or full image
mptool --restore --partition kernel --file ./backups/kernel.bin DEVICE
mptool --restore-all --file ./backups/ys9082hp-2026-03-22.img DEVICE
Read/write EEPROM/config
mptool --eeprom-read --out eeprom.bin DEVICE
mptool --eeprom-write --in new-eeprom.bin DEVICE
mptool --set-param mac 00:11:22:33:44:55 DEVICE
Serial console bridge
mptool --serial --baud 115200 DEVICE
Diagnostic tests
mptool --diag --memtest DEVICE
mptool --diag --network DEVICE
mptool --log --follow DEVICE
Scripting for batch flashing