When the drive attempts to write or update its internal mapping table (which translates logical block addresses from your OS into physical locations on the NAND chips), it encounters these bad blocks.
Ensure your PC case has adequate airflow. If the SSD is installed in a laptop, consider adding a thin thermal pad between the controller chip and the chassis. sm2259xt firmware fixed
The data recovery specialist uses software to manually compile a virtual translation map based on data patterns remaining in the healthy portions of the NAND flash, allowing them to read out the raw user sectors and rescue the files. Summary and Prevention When the drive attempts to write or update