Plug in your problematic USB drive. Open ChipGenius (a portable tool every tech should have).
Most mass-production (MP) tools are a nightmare. They require installation, mess with drivers, and often conflict with your main OS. The Portable version of the FirstChip 2019 tool changes the game.
The FirstChip CHIPYC2019 is a USB 2.0/NAND flash controller often found in low-cost USB drives, SD cards, and embedded storage.
MPTOOLS (Mass Production Tools) is the firmware flashing and low-level formatting utility for these controllers.
The "Portable" version refers to a pre-configured, no-installation-required package that can run directly from a USB drive or folder.
Even with the portable version, things can go wrong. Here are the most frequent error codes and fixes:


