When you run SData Tool, it does not give you more space. It performs a malicious registry or firmware overwrite on your flash drive:

When the "double" capacity is exceeded, the device will typically overwrite existing data. For example, if a 32GB drive is patched to show 64GB, files stored past 32GB will corrupt earlier files, resulting in catastrophic, permanent data loss.

Sometimes, an SD card or USB drive might show less capacity than it should due to corrupted partitions or improper formatting. This is a different issue from outright fakery. In these cases, legitimate tools can often restore the drive's correct capacity:

Ensure you download the tool from a reputable source, as specialized repair tools can sometimes contain malware if downloaded from untrusted sites. Conclusion