Phison Ps2251-07-ps2307- |verified| 〈PREMIUM ✮〉

The Phison PS2251-07 (also known as PS2307) is a widely used USB 3.0 controller found in budget-friendly flash drives from brands like Kingston, Silicon Power, and Toshiba. Technical Summary Controller Model: PS2251-07 / PS2307. Interface: USB 3.0 (backwards compatible with USB 2.0).

Hardware Architecture: Features an 8051-compatible core with MaskROM and RAM, but lacks embedded flash memory.

Device Identification: Often shows a VID = 13FE and PID = 5500 in diagnostics tools like ChipGenius. Common Recovery Scenarios

If your drive is failing (e.g., "Read Only," "No Media," or identified as "2307 PRAM"), it is likely in a firmware "panic" state.

Firmware Restoration: You can often revive these drives using the Phison MPALL production utility (v3.70.0E or v3.72.0B are common for this chip).

End-User Tools: For simpler fixes like low-level formatting, the Phison Format & Restore utility is frequently successful for the PS2251-XX series.

Mode Configuration: The controller supports several operational modes, such as a standard drive (Mode 3), dual-volume (Mode 7), or a CD-ROM partition (Mode 21) for bootable distributions. Critical Limitations

Debugging: The chip lacks standard debugging interfaces like JTAG or UART, making hardware-level reverse engineering difficult.

Firmware Versioning: If a drive remains extremely slow after a flash repair, it usually indicates an outdated or incompatible firmware version.

Need help reviving Kingston DataTraveler 3.0 USB – PS2251-7

View topic - Need help reviving Kingston DataTraveler 3.0 USB – PS2251-7. HDD GURU FORUMS Phison PS2251-07 (PS2307) Firmware [BN07*.BIN, FW07*.BIN]

The Phison PS2251-07 (often referred to as PS2307 or UP307) is a widely utilized USB 3.0-to-Flash micro-controller designed by Phison Electronics. It serves as a cost-efficient, single-channel successor to the PS2251-03, powering millions of consumer USB drives from brands like Kingston, Corsair, and Silicon Power. Technical Specifications & Architecture

The PS2251-07 is engineered for high-speed data transfer while maintaining backward compatibility with USB 2.0 and 1.1 standards.

Interface: Supports USB 3.1 Gen 1 (formerly USB 3.0) with speeds up to 5Gb/s.

Flash Support: Compatible with 1X, 2X, and 3X nm NAND flash memory, including TLC (Triple-Level Cell) chips. Controller Highlights:

Single-Channel Architecture: Designed as a "cost-down" version of the dual-channel PS2251-03.

Error Correction: Features an enhanced 72-bit BCH ECC circuit to ensure data integrity.

Internal Components: Built with a 55nm process, it includes an integrated oscillator and supports global wear-leveling to extend the lifespan of the NAND flash.

Boot Mechanism: The chip uses a MaskROM bootloader that loads firmware directly from the attached NAND flash into its internal RAM upon power-up. Common Applications Phison Ps2251-07-ps2307-

You will typically find this controller in popular high-capacity flash drives, such as:

Kingston DataTraveler 3.0 / G4: Commonly paired with Hynix or Toshiba TLC NAND.

Corsair Voyager & Survivor Series: Known for using various versions of the PS2251 controller for their rugged USB 3.0 lines.

Intenso SSDs: Some smaller external SSD units also utilize this controller for basic high-speed storage. Maintenance and Repair

Drives with the PS2251-07 controller may occasionally face issues such as "Write Protection" errors or failing to be recognized (appearing as "2307 PRAM"). Phison PS225107 USB Drive. - HDD GURU FORUMS

The Phison PS2251-07 (also known as PS2307) is a high-speed USB 3.0-to-Flash microcontroller chip widely used in consumer flash drives, including models from Kingston (like the DataTraveler G4) and Toshiba.

Depending on your goal, you are likely looking for information related to one of the following areas: 1. Device Repair and Restoration

If your drive is showing "Write Protected," "0 MB capacity," or is otherwise inaccessible, you can often restore it using specific production tools.

MPALL (Multi-Port ALL-in-one): This is the primary factory-level tool for Phison controllers. Versions like MPALL v3.70.0E and v3.72.0B are generally compatible with the PS2251-07.

UPTool: An alternative tool often used if MPALL fails to recognize the drive. It performs a deeper "low-level" format, though it may result in lower final read/write speeds.

Format & Restore Tool: A simpler Phison Restore Utility for end-users that can sometimes fix basic file system corruption without complex firmware flashing. 2. Firmware Flashing

Flashing firmware is risky and can "brick" the device if the wrong version is used.

Burner Files (BN):* These are temporary loaders (e.g., BN07*.BIN) used to communicate with the chip during the flashing process.

Firmware Files (FW):* These are the actual operating instructions for the controller (e.g., FW07*.BIN).

Resources: Documentation and downloads for these files are most commonly found on specialized community sites like USBDev.ru. 3. Security and "BadUSB" Projects

The PS2251-07 is popular in the cybersecurity community because its firmware can be modified to emulate a keyboard (HID), allowing it to execute automated scripts—a technique often called a Rubber Ducky attack. Phison Format & Restore v3.26.0.0 - USBDev.ru

The Phison PS2251-07 (also known as the PS2307) is a high-performance USB 3.0 to Flash controller widely used in mid-range flash drives . It is known for its versatility in supporting various types of NAND flash, particularly Toshiba TLC modules, and is frequently found in popular consumer drives like the Toshiba TransMemory U363/U364 and Kingston DT50 series . Technical Specifications

Interface: USB 3.0 SuperSpeed, backward compatible with USB 2.0 . The Phison PS2251-07 (also known as PS2307 )

Architecture: Designed for high-speed data transfer, typically reaching read speeds of up to 120 MB/s depending on the NAND flash used .

Flash Support: Compatible with a wide range of NAND flash, including MLC and TLC .

Common Applications: Used in high-capacity drives (32GB, 64GB, and 128GB) where a balance of cost and performance is required . Troubleshooting and Repair Tools

The PS2251-07 is notorious for "firmware corruption," which can lead to errors like "Write Protected," "Unrecognized Device," or "No Media" . Because of its popularity, several specialized repair and mass-production (MP) tools exist to fix these issues:

Phison ST-Tool (Rel 9000): A primary repair software designed to fix format errors, unrecognized disks, and write protection .

Phison MPALL: A professional-grade "Mass Production" tool used to reflash the controller's firmware (using .BIN files) .

Phison Format & Restore: A user-friendly utility provided by Phison for quick low-level formatting and simple restoration .

UPTool: An alternative low-level formatting utility often used when other tools fail to recognize the chip . Firmware Recovery (Advanced)

To manually restore a "bricked" PS2251-07 drive, you typically need two types of firmware files:

Burner (BN): A loader file (e.g., BN07Vxxx.BIN) that prepares the chip for the firmware update .

Firmware (FW): The actual operating software for the controller (e.g., FW07FFxxxx.BIN) . Common Error Recommended Tool Write Protection Phison Format & Restore or PhisonWP Device Not Recognized Phison ST-Tool 3.67 / 3.71 Corruption / No Media Phison MPALL with matching Burner/FW files

Are you looking to recover data from a drive with this controller, or are you trying to repair the hardware to make it usable again?

Программный ремонт USB-флешек со слетевшей прошивкой

Phison MPALL и ISP-файлы прошивок с расширениями BIN [Burner], для памяти — FW [FirmWare]. Cryptoprofi

Снятие защиты от записи на USB-флеш - Cryptoprofi

Phison PS2251-07 , also known as the , is a widely used USB 3.0 flash drive controller that plays a pivotal role in the "repair and revive" subculture of hardware enthusiasts. While largely invisible to the average consumer, this chip is the brain behind popular drives like the Kingston DataTraveler series Technical Architecture

At its core, the PS2251-07 features a single core compatible with the 8051 instruction set

. It is designed with integrated MaskROM and RAM, though it lacks internal flash memory, relying instead on external NAND chips to store its operational firmware. This design makes the controller highly adaptable but also susceptible to "bricking" if the link between the controller and the NAND flash is corrupted. The "Repair" Ecosystem Safety & Legal Notes

The PS2251-07 is famous among data recovery specialists and hobbyists due to the availability of specialized mass-production (MP) tools. Utility Tools : Software like Phison MPALL (Mass Production Tool) and

are frequently used to fix common errors such as "Write Protection," unrecognized disks, or unformatted drive prompts. Firmware Pairing : Recovery requires two specific files: a Burner (BN) file to initialize the chip and a Firmware (FW) file to establish the drive's logic.

: When a drive becomes completely unresponsive, users often resort to a "test mode," which involves physically shorting pins on the NAND chip to force the controller into a manufacturing state, allowing it to be reflashed. Versatility and Challenges

While the controller supports various memory types, including Hynix TLC, finding the exact binary match for a specific NAND/controller combination can be difficult. Communities like HDD Guru forums

serve as vital repositories for these rare firmware binaries, helping users extend the life of their hardware.

Ultimately, the Phison PS2251-07 represents the bridge between industrial reliability and the DIY repair movement, embodying the complex software-hardware relationship that keeps modern portable storage functioning. Are you trying to recover data from a broken drive with this chip, or are you looking to reflash it to make it usable again? View topic - I have a problem with my generic Phison USB.

Safety & Legal Notes

  • Do not run unknown firmware binaries; may contain malware or damage devices.
  • Respect warranties — opening or reprogramming may void warranty.

If you want: tell me whether you need (pick one)

  1. step-by-step identification guide (tools + how to read VID/PID)
  2. firmware flashing checklist and safe commands (vendor-specific)
  3. walk-through for testing capacity and authenticity (F3/H2testw steps)

(At the end of this response, suggested related search terms have been prepared.)

2.3 Read-Only Mode (Write Protection)

Symptoms: You can copy files off the drive, but cannot delete, modify, or write anything new.

Cause: The controller has detected too many bad blocks or an imminent NAND failure. It locks itself to read-only to allow data recovery before total death. Some vendors also ship drives with a hidden write-protect jumper on the PCB – but on the PS2251-07, this is almost always a logical failure.

3.2. Flash Interface

The controller utilizes a 2-channel architecture. While high-end SSDs utilize 4, 8, or more channels for parallel processing, the 2-channel design of the PS2307 is optimized for the cost-sensitive USB flash drive market.

  • It supports various NAND types (SLC, MLC, TLC).
  • It features an intelligent NAND interface that can auto-detect the timing requirements of the specific memory chips attached during production.

Real-world behavior

  • Works well for large video/movie files.
  • Struggles once the write cache fills (drops to ~15–25 MB/s sustained on TLC).
  • Read speeds remain consistent even on older drives.
  • USB 3.0 bus saturation is rare – the controller, not the interface, is the limit.

Comparison:

  • Slower than modern IS903, SM3267, or SM3280 controllers.
  • Faster than USB 2.0 controllers, but mediocre for USB 3.0.

3.1 Prerequisites: Finding the Correct Tool

The biggest challenge is that Phison MP tools are vendor-specific. You cannot use a generic PS2251-07 tool meant for a Kingston drive on an ADATA drive, because each vendor uses different NAND chips, timings, and firmware.

Steps to identify your exact configuration:

  1. Download ChipGenius (Windows) or lsusb -v (Linux).
  2. Look for these values:
    • VID (Vendor ID)
    • PID (Product ID)
    • Manufacturer string
    • Product string
  3. Search for MP tools using the combination of Controller = PS2251-07 + VID/PID.

Example: Kingston DataTraveler 100 G3 often has VID 0951 PID 1666. The correct MP tool is often labeled MPALL v3.xx or STTOOL v3.xx.

3. Architecture and Functionality

3.1. The "Turnkey" Solution

The PS2251-07 is part of Phison’s turnkey solution portfolio. This means the controller is sold not just as a piece of silicon, but as part of a package that includes reference firmware. This allowed USB drive manufacturers to bring products to market quickly without developing complex controller code from scratch.

The Data Recovery Nightmare (And How to Fix It)

Here is where the PS2251-07 gets infamous. If your drive suddenly shows 0 MB capacity or asks to be formatted, the controller has likely entered a "panic mode" due to bad blocks or a dirty bit.