USB flash drives rely on an internal micro-controller to communicate between your computer and the raw NAND flash memory cells. When a drive experiences power surges, sudden disconnection during a write cycle, or physical degradation, the internal firmware becomes corrupted.
Last Updated: October 2025
Ensure the "Capacity" is set to the maximum capacity of your drive.
To repair or reflash a flash drive with the FirstChip FC1178BC controller, you need the FirstChip MpTools (Mass Production Tools) or
: Always use ChipGenius first to verify that your controller is indeed an FC1178BC before attempting a firmware flash. How to Flash the Firmware firstchip fc1178bc firmware hot
Never guess your USB controller type. Before running any flashing tool, download a diagnostic tool like . Plug in your corrupted USB drive and run the tool to verify that the "Controller Part Number" explicitly reads FC1178BC . Step 2: Download the Correct MpTools Package
Always use "Safely Remove Hardware" before unplugging your USB drive. Abrupt removal while data is being written is a common cause of firmware corruption.
: If the settings menu asks for a password, try leaving it blank or using common defaults like 320 or 123456 .
Based on our analysis, we suggest that FirstChip focus on: USB flash drives rely on an internal micro-controller
Ensure your computer does not enter sleep mode
Insert your corrupted USB flash drive into a direct motherboard port (avoid external USB hubs).
If you frequently experience problems with FC1178BC drives, you may be using counterfeit or poor-quality drives. Purchase from reputable retailers and brands.
The result: Device Descriptor Failed, Unknown USB Device, or 0MB capacity. To repair or reflash a flash drive with
Pre-requisites for Fixing the Issue
A: Leave the password field empty — just click OK.
is a highly popular chip used in generic, budget, and promotional USB 2.0 flash drives. When these drives fail, they often display a frustrating "No Media," "0 Bytes," or "Write Protected" error in Windows. Finding the right FirstChip FC1178BC firmware Go to product viewer dialog for this item.