Phison — Mpall V3.70.0e

First, let's decode the name. MPALL stands for MP Tool All-in-One. It is a proprietary low-level formatting tool designed exclusively for USB controllers manufactured by Phison Electronics Corp.

Think of your USB drive as a tiny computer. It has two major parts:

When a drive fails, the controller often gets corrupted firmware. Standard Windows formatting (FAT32/NTFS) fails because it only addresses the logical file system, not the controller firmware. MPALL v3.70.0e speaks directly to the Phison controller, allowing you to rewrite the firmware, repair bad blocks, and reset the drive to factory conditions. Phison Mpall V3.70.0e

You should consider using this tool only in the following specific scenarios:

Here’s the safe, standard workflow.

After the tool says "Complete" (Green), you must:


Surprisingly, yes. While newer versions exist (v3.80, v3.90), v3.70.0e remains popular because: First, let's decode the name

For very new Phison chips (PS2309, PS2311), you’ll need a newer MPall version. But for reviving old drives from 2015–2020, 3.70.0e is gold.


Phison MPALL (also written MPALL or MPALL.exe) is a low-level mass production (MP) programming utility used with Phison-branded USB flash controllers to initialize, format, set device parameters, and program firmware or vendor descriptors on USB flash drives and some eMMC/SD devices. Version label "V3.70.0e" indicates a specific release of the MPALL tool tailored for a particular generation of Phison controllers and firmware families. When a drive fails, the controller often gets

You cannot proceed without knowing your exact controller model. Phison MPall V3.70.0e supports a range of controllers, but you must match the firmware to the chip.