The Phison PS2251-07 (also known as PS2307) Go to product viewer dialog for this item.
is a high-performance USB 3.0 controller commonly used in flash drives from brands like Kingston, Toshiba, and Silicon Power. When these drives fail—showing errors like "Write Protected," "No Media," or "Please Insert Disk"—the Phison MPALL (Mass Production Tool) is the primary utility used for low-level repair and firmware flashing. Understanding the Phison PS2251-07 (PS2307) Go to product viewer dialog for this item.
is a single-chip USB-to-Flash controller that supports various NAND flash types, including TLC and MLC. While it offers fast read/write speeds, firmware corruption is a common issue that makes the drive appear "dead" to the operating system. Common Symptoms of Failure: The drive is recognized as "2307 PRAM" in Device Manager. Windows reports the drive has "No Media" or 0MB capacity.
The disk is "Write Protected" and cannot be formatted through standard Windows tools. Essential Software Tools
To repair a drive with this specific controller, you typically need a suite of specialized utilities:
Reviving the Dead: A Deep Dive into the Phison PS2251-07 (PS2307) MPTool
If you’ve ever plugged in your USB drive only to be greeted by a "No Media" error or a "Write Protected" message that refuses to budge, you've likely encountered a firmware "panic". For drives powered by the Phison PS2251-07 (also known as PS2307) controller, there is a specialized "resurrection" path: the Mass Production Tool (MPTool), specifically Phison MPALL.
This guide explores what this tool is, why it's the "nuclear option" for repair, and how to use it safely. What is the Phison PS2251-07 (PS2307) Controller?
The PS2251-07 is a high-speed USB 3.0-to-Flash micro-controller often found in Kingston, Toshiba, and generic high-performance drives. It supports various NAND flash types (SLC/MLC/TLC) and utilizes advanced Error Correction Code (ECC) to maintain data integrity.
However, when the firmware becomes corrupted, the drive may identify itself as "2307 PRAM," effectively locking you out of your data. The Solution: Phison MPALL (MPTool)
The MPTool is a factory-level utility designed to flash firmware, manage bad blocks, and configure drive modes (like creating a bootable CD-ROM partition). Key Prerequisites
Before starting, you must identify your hardware precisely. Using the wrong firmware can permanently "brick" the device.
Identify the Controller: Use a tool like ChipGenius to confirm your controller is indeed the PS2251-07 (PS2307).
Gather Firmware Files: You will typically need two files from a repository like USBDev.ru:
Burner File (BN07.BIN)*: A temporary "loader" that prepares the controller.
Firmware File (FW07.BIN)*: The actual operating system for your flash drive. Step-by-Step Repair Guide
Warning: This process will erase all data on the drive. If the drive is not detected at all, you may need to manually enter "Test Mode" by shorting specific NAND pins—a risky move that requires opening the casing. Phison Electronics - USBDev.ru
Phison PS2251-07 (PS2307) MPTool (Mass Production Tool) is a specialized utility used for low-level repair, flashing firmware, and configuring USB flash drives that use this specific controller. It is primarily used to fix "write-protected," "no media," or "unrecognized device" errors when standard formatting tools fail. HDD GURU FORUMS Key Technical Details Controller Model: Phison PS2251-07 (also known as PS2307). Common Use Cases:
Recovering "dead" flash drives, updating corrupted firmware, and fixing drives that show up as "2307 PRAM" (a typical "panic" mode where data is inaccessible). Firmware Files:
Flashing typically requires two specific files: a "burner" (BN07*.bin) and the actual firmware (FW07*.bin). HDD GURU FORUMS Popular MPTool Utilities
Different versions of these tools are available on specialized sites like MPALL (Mass Production Tool):
The most powerful tool for full firmware flashing and partitioning.
Often used for more stubborn cases involving bad blocks, though it may result in lower data speeds compared to MPALL. Phison ST-Tool:
Specifically designed to fix common formatting errors such as write protection or "unformatted disk" for PS2251-07 chips. Phison Format & Restore:
A simpler user-level utility for basic low-level formatting without deep configuration. cdn.prod.website-files.com General Recovery Process Identify the Controller: ChipGenius Flash Drive Information Extractor to confirm your drive is actually using a PS2251-07 (PS2307) Enter "Test Mode" (If Unrecognized): phison ps225107ps2307 mptool
If the computer does not see the drive at all, you may need to manually short the NAND flash chip pins (typically the Ready/Busy* pin to ground) while plugging it in to force it into "MaskROM" or "manufacturing mode". Configure MPALL: Unzip the utility and run MPParamEdit_F1.exe to set parameters. Select "Basic Adjustment" and "New Configuration". Input the appropriate VID/PID (often ) and point the tool to your specific burner and firmware files. Run the main executable (
), press "Update" to find your drive, and hit "Start" to begin the flashing process.
Using the wrong firmware or burner file can permanently "brick" your flash drive. Always verify your NAND flash type (SLC, MLC, TLC) before attempting a flash. for your NAND chip? Phison PS225107 USB Drive. - HDD GURU FORUMS
The Phison PS2251-07 (PS2307) MPTool (Mass Production Tool) is a specialized low-level utility used by manufacturers and technicians to initialize, configure, and repair USB 3.0 flash drives based on the Phison PS2251-07 (also known as PS2307) controller.
The primary function of this tool is to restore drives that are unrecognized, "no media," or write-protected by flashing them with compatible firmware (BN and FW files). Key Features and Capabilities
Low-Level Formatting: Repairs corrupted file systems and "Write Protect" errors by performing a full NAND erase and re-initialization.
Firmware Updating: Allows for the flashing of specific firmware binaries (e.g., BN07*.bin, FW07*.bin) to resolve firmware "panic" scenarios where the device only identifies as "2307 PRAM".
Partition Configuration: Can create multiple partitions, including CD-ROM emulated partitions (ISO flashing), hidden secure areas, or read-only public areas.
NAND Bad Block Management: Scans the flash memory for defects and marks unusable sectors to improve drive lifespan and data reliability.
Identity Modification: Users can manually set or change the Vendor ID (VID), Product ID (PID), Serial Number, and Manufacturer strings (e.g., changing a generic drive to "Kingston" or "SanDisk" naming).
Hardware Compatibility: Specifically supports ultra-high-speed USB 3.0 with backward compatibility to USB 2.0/1.1 and handles various NAND types, including TLC and eD3. Usage Context
This tool, often referred to as Phison MPALL (Mass Production After-Layer Launch), is typically used alongside identification software like ChipGenius to ensure the correct controller and firmware parameters are selected before the flashing process begins. HDD GURU FORUMS • View topic - Phison PS225107 USB Drive.
Phison PS2251-07 (also known as PS2307) is a widely used USB 3.0 flash drive controller. When these drives become corrupted—appearing as "Write Protected," showing "No Media" in Disk Management, or being unrecognized by Windows—technicians use "MPTools" (Mass Production Tools) to reflash the firmware and restore functionality. Common Recovery Tools for
Depending on the severity of the corruption, different utilities are recommended: Phison MPALL (v3.72 or higher)
: The primary professional-grade utility for deep firmware repair and custom partition configuration (e.g., creating a CD-ROM partition). Phison ST-Tool (Rel 9000 series)
: A specialized version often used for formatting errors and unrecognized drives specifically for the PS2251-07 and PS2251-67 chips. Phison Format & Restore
: A simpler, user-friendly tool for basic recovery when the drive is still partially recognized but cannot be formatted. Step-by-Step Restoration Guide Reflashing firmware is a high-risk process that will erase all data HDD GURU FORUMS Phison PS225107 USB Drive. - HDD GURU FORUMS 27 Oct 2020 —
The PS2251-07 (also known as PS2307) is a common Phison USB 3.0 controller found in many Kingston and Toshiba drives. When these drives fail—often appearing as "Read-Only" or "2307 PRAM"—the Phison MPALL (Multi-Port ALL-in-one) production tool is used to reflash the firmware and restore functionality. Prerequisites & Tools
To perform a repair, you generally need three components from a resource like USBDev.ru:
MPALL Software: Versions like v3.70.0E or v5.03.0A are frequently recommended for the PS2251-07.
Burner File (BN): A small loader (e.g., BN07*.BIN) that prepares the controller for the firmware.
Firmware File (FW): The actual operating code (e.g., FW07*.BIN). The specific file depends on your flash memory type (TLC, MLC, or eD3). General Recovery Process
Identify Details: Use a tool like ChipGenius or Flash Drive Information Extractor to confirm the controller is exactly PS2251-07 and to identify the specific NAND memory chip. Configuration (MPParamEdit_F1.exe):
Launch the parameter editor and select Basic Setting -> New Setting. Set the Controller to PS2251-07. The Phison PS2251-07 (also known as PS2307) Go
In the Flash Setting tab, enable "Do ISP" and browse for your specific Burner (BN) and Firmware (FW) files.
Ensure Preformat (Low Level Format) is checked if the drive is corrupted. Flashing:
Open MPALL_F1_xxx.exe, click Update to detect the drive, and then Start to begin the process.
Warning: If the drive is not detected, you may need to manually put it into Test Mode by shorting specific pins on the controller chip (data bus pins) before plugging it in. Troubleshooting Common Errors
2307 PRAM: Indicates the controller is in a "panic" state with no firmware loaded. Reflashing with MPALL is the primary fix.
Slow Speed Post-Repair: If the drive works but is extremely slow, it usually means the firmware version used was not the optimal match for the NAND memory; trying a newer or different FW version can help.
Write Protection: If standard tools fail, Phison Format & Restore is a simpler user-level utility that can sometimes clear protection without a full reflash. Phison PS2251-07 (PS2307) Firmware [BN07*.BIN, FW07*.BIN]
The Phison PS2251-07 (also known as PS2307) is a high-performance USB 3.0 controller commonly found in many flash drives. When these drives experience firmware "panic" (often identifying as "2307 PRAM" with a "No Media" error), specialized Mass Production Tools (MPTools) are required to reflash the firmware and restore functionality. Recommended Tools for PS2251-07
Depending on the specific memory type and the severity of the corruption, different versions of the MPTool ecosystem are used:
Phison MPALL: The primary industrial tool for mass production and repair. For the PS2251-07, it is recommended to use versions like v5.13.0C or specifically tuned versions such as MPALL_F1_7F00_DL07_v503_0A.exe, which is optimized for drives using eD3 flash memory.
Phison ST-TOOL: A variation of MPALL that includes "sorting" capabilities, often used for drives with lower-quality flash chips. Versions like ST-TOOL Rel 9000 are compatible with the PS2251-07.
Phison UPTool: Use this if MPALL fails to detect the drive or returns persistent errors. It is designed for "second-grade" flash memory but is highly effective for reviving "dead" drives.
Phison Format & Restore: A simpler consumer-level utility that can sometimes fix basic "write-protected" or "device not found" issues without needing manual firmware selection. Restoration Process Essentials
Restoring a PS2251-07 controller typically involves two specific files found on resources like USBDev.ru:
Burner File (BN07.BIN)*: A temporary loader that prepares the controller for the firmware.
Firmware File (FW07.BIN)*: The permanent operating software for the drive. Critical Tips for Successful Repair Phison MPALL v5.13.0C - USBDev.ru
This is the most interesting (and nerve-wracking) part. If MPTool doesn’t see your drive (even after "Load Driver" in Windows), you need hardware mode.
You will need: Tweezers or a wire, a USB extension cable (to see the PCB), and a magnifier.
Steps:
Now you can flash fresh firmware.
At the heart of millions of USB drives—from generic promotional swag to branded thumb drives—lies a controller chip. It acts as the traffic cop, directing data between your computer and the physical NAND flash memory chips inside. Phison, a Taiwanese company, dominates this market, and the PS2251-07 (often referenced as the PS2307 family) is one of their most ubiquitous "mass production" controllers.
Why does the MPTool (Mass Production Tool) exist? It is the factory firmware. It is the software used on the assembly line in Shenzhen to take a raw circuit board and turn it into a functioning drive. It sets the VID (Vendor ID) and PID (Product ID), defines the partitions, and calibrates the flash memory timing.
But the real magic of the MPTool lies in its ability to rewrite the hardware's soul.
4 (Normal default).Low Level (for corrupted drives) or Full (for refresh).Warning: This process will erase all data on the drive. If you have data you need to recover, this is not the first step you should take. Part 3: The "Short Pin" Resurrection Trick This
Once you have downloaded the correct MPTool folder (which usually contains an .ini configuration file and an .exe), follow these general steps:
Technical Overview of Phison PS2251-07 (PS2307) MPTool The Phison PS2251-07 (also known as PS2307) is a high-performance USB 3.0 controller commonly used in mass-market flash drives from brands like Kingston, Toshiba, and Apacer. When these drives experience firmware corruption—manifesting as "Write Protected," "No Media," or "Unknown Device" errors—the Phison MPTool (Mass Production Tool) is the primary software used for low-level recovery and reconfiguration. 🛠️ Recovery Software Suite
To service a PS2251-07 controller, different utilities are used depending on the severity of the corruption:
Phison MPALL (Multi-Port ALL-in-one): The standard factory tool for flashing firmware and setting drive parameters.
Phison UPTool: A "Sorting" tool designed for drives with high bad-block counts or lower-quality NAND flash. It is often more successful but significantly slower than MPALL.
Phison ST-TOOL: A specialized variant of MPALL that includes enhanced sorting capabilities for specific chip revisions.
ChipGenius: An essential third-party diagnostic tool used to confirm the controller (PS2251-07) and the NAND Flash ID (FID) before starting. 📂 Required Firmware Components
Flashing a PS2251-07 requires two specific binary files that must match the controller and the NAND type:
Burner File (BN07.BIN):* Initializes the controller and prepares it to receive the firmware.
Firmware File (FW07.BIN):* The actual operating system of the USB drive.
Note: Using an incorrect version (e.g., trying to flash a TLC firmware onto MLC memory) can permanently "brick" the device. 🚀 Step-by-Step Restoration Process 1. Pre-Configuration
Connect the USB drive to a USB 2.0 port for better stability during flashing. Run MPALL_F1_*.exe as an Administrator. Click Update to ensure the tool detects the controller. 2. Parameter Setup Open Setting (or click MPParamEdit_F1.exe). Select New Setting and click OK. Controller: Select PS2251-07. Host Port: Select USB 2.0/3.0.
Flash Setting: Check "Auto Detect" or manually enter the Flash ID if known. Firmware Path: Point to your specific BN07 and FW07 files. 3. Execution Save the configuration and return to the main MPALL screen. Click Start.
Crucial: Do not disconnect the drive or run other programs until the progress bar turns green (Success). ⚠️ Critical Troubleshooting & "Test Mode"
If the drive is not detected or throws a "CT-is Toggle Flash" or "0x1102" error, the controller may be "frozen" in a panic state.
Test Mode Procedure: You must physically short the data pins (usually pins 29-30 or 30-31) on the NAND flash chip with a needle while plugging it in.
Speed Issues: If the drive works but is extremely slow after repair, you likely used an outdated firmware version or a "Sorting" tool like UPTool, which prioritizes stability over speed.
To help you find the correct firmware, what is the Flash ID or NAND type shown for your drive in ChipGenius? Phison PS2251-07 (PS2307) Firmware [BN07*.BIN, FW07*.BIN]
This guide focuses on the unique quirks of the PS2307, as it is a bridge between older USB 3.0 controllers and modern 3D NAND.
If you have landed on this page, you are likely staring at a USB flash drive that has suddenly dropped from 64GB to just 8MB, is not recognized by Windows, or shows a "0 bytes" capacity. Alternatively, you may have a counterfeit drive that reports a fake capacity. In the world of flash drive repair, two model numbers cause frequent confusion: Phison PS2251-07 and Phison PS2307.
These are not two different chips. In fact, they are two names for the same controller family. The PS2307 is simply the marketing name for the USB 3.0 version of the PS2251-07 (also known as PS2251-07 or 2251-07-7) .
The tool required to fix, flash, or low-level format these drives is called the MPTOOL (Mass Production Tool). This article is a deep dive into finding, configuring, and safely using the Phison PS2251-07/PS2307 MPTOOL to revive your dead drive.
The MP Tool isn't for everyday file management. It is a factory-level utility. You use it when:
Make a "Hybrid Fixed Disk":
Make a Recovery USB + Data: