Click in the main MPALL window. Your drive should appear in one of the boxes. Press Start . Wait: Do not touch the drive. Green box: Success.

If you checked every box, proceed with confidence. Your dead USB drive might just live again.

The Definitive Guide to Phison MPALL v3.70.00E: Reviving and Flashing Corrupted USB Drives

If MPALL v3700e fails or your controller is incompatible, try: