If software cannot see beyond the 1.8GB partition, the only way to get your data back is to bypass the broken controller.
The storage space you see is not your actual data. It is a small "technological volume" built into the controller for service tasks. sd+card+uupdbin
While formatting might sometimes "reset" the card to a usable state, it often fails with an "Access Denied" or "Windows was unable to complete the format" error because the hardware is locked. If software cannot see beyond the 1
If these tools can see the full capacity (e.g., 64GB or 128GB) during the imaging process, your data is likely salvageable. Method B: Professional "Chip-Off" Recovery While formatting might sometimes "reset" the card to
A specialist lab will physically scrape away the card’s outer layer to access the internal copper contacts (pinout).
Before trying any repairs, create a full clone of the card to prevent further degradation.