This guide is for informational purposes. Always back up critical data. Modifying firmware carries inherent risks; proceed at your own discretion.
Choose between Format for minor file system errors or Restore for severe malfunctions. Apacer USB Flash Drive Repair Tool
: Specifically optimized for Apacer's AH-series (AH1xx, AH3xx, AH5xx) and USB 3.0 product lines. This guide is for informational purposes
These are software-level issues where the hardware is physically intact, but the data structure is corrupted. Apacer USB Flash Drive Repair Tool
If the official Apacer tool fails, your drive might still be salvageable. You need to find the Mass Production Tool specific to the controller inside your drive (e.g., Phison, Alcor, SMI).
: The drive refuses to let you save or delete files, claiming it is "write-protected" even if there is no physical switch. RAW File System