: Forcing custom firmware onto a budget flash drive often causes the onboard controller chip to malfunction permanently, bricking the device so it can never be formatted or used again.

The gold standard for finding the true size of a flash drive is a free tool called H2testw . Download and launch H2testw. Select the target USB drive or SD card. Choose .

Instead of risking critical data loss with fake expansion software, use authentic, hardware-safe optimization methods to free up space. Optimization Strategy Target Medium Practical Benefit Risk Level USB Drives

Click and choose to apply it to all subfolders. This compresses text files, documents, and certain logs natively without corrupting the drive. Invest in Proper Multi-Card Infrastructure

Software like the SData Tool V100 does not compress data or optimize storage layout. Instead, it hacks the drive's firmware controller to spoof the information sent to your computer's operating system. How the Fake Expansion Scam Works

Open the tool. You will see two large buttons: USB Mode and SD Mode . Select the appropriate one.

The scam is a prominent example of data expansion fraud targeting budget-conscious tech buyers. The internet frequently features listings or software downloads claiming that the "SData Tool V100" can double your USB drive or SD card space through a single click.

The SData Tool’s reputation is built on a foundation of user reports and testimonials across various forums and software blogs.

: If you try to copy more than 16GB of data to the modified drive, the controller runs out of physical memory sectors. It will begin overwriting your existing data, permanently corrupting your files without throwing an error message. Verifying and Testing Your Drive Capacity