Before downloading any software, you must confirm that your USB drive actually contains a FirstChip controller.
Short workflow example
: Used by manufacturers to set the Vendor ID (VID), Product ID (PID), and internal serial numbers. Technical Requirements
: FirstChip has ensured that MPTools ChipYC2019 supports an extensive library of chips, making it a versatile tool for developers working with various hardware platforms. firstchip mptools chipyc2019
Once the tool reports "Pass" or a success message, close MPTOOLS and from Windows. Disconnect it from the USB port, wait a few seconds, and then plug it back in. Windows should now recognize the drive as a new device. As a final step, test it with H2testw to verify the repair and ensure its capacity is legitimate and not corrupted.
: Useful when a drive is no longer recognized by Windows or shows as a generic device with zero bytes. Multilingual Support : Most versions launch in Chinese, but users can switch to
Comprehensive Guide to FirstChip MpTools and chipYC2019 Controller Before downloading any software, you must confirm that
If you are holding a bricked USB drive that shows "0 MB" or "Insert Disk," downloading a verified copy of FirstChip MPTOOLS with the CHIPYC2019 database is statistically your best chance to bring it back to life.
FirstChip is a popular manufacturer of USB flash drive controllers (the "brain" of the USB). When the firmware on this controller becomes corrupted due to improper ejection or hardware glitches, standard Windows formatting tools won't work.
: Detects the true physical capacity of the flash chip, which is essential for repairing "fake" USB drives that report more storage than they actually have. Once the tool reports "Pass" or a success
Choose Standard Scan or High Scan . Avoid using Clear + Factory options initially; while they may show a higher capacity, they often fail data verification passes.
| Problem | Likely cause | Solution | |---------|--------------|----------| | MPTool shows "No Device" | Driver missing / USB 3.0 | Install FCHI driver; use USB 2.0 | | Process stops at "Bad Block Check Fail" | Too many bad blocks | Reduce capacity in Partition Setting to e.g., 50% of claimed size | | "Download Firmware Fail" | Wrong MPTool version | Try v1.0.0.52 or newer; or APTool first | | After repair, drive still shows fake capacity | Didn't use Low Level Format | Re-run with Erase Info + Low Level Format | | ChipYC2019 changes to another name after flashing | Normal – firmware updated | May now show "FirstChip FC1179" |