Empower Your 4K UHD Blu-ray Backup Experience

Unlock Firmware Limits

Downgrade UHD-Unfriendly Firmware for UHD Blu-ray Backup

The existing firmware in 4K UHD drives (also called 4K Blu-ray drives), whether internal or external, may restrict reading UHD disc data and hinder copying discs to hard drives or ripping them to digital formats for playback on multiple devices.
 
Passkey UHD Drive Tool is designed to help users downgrade the current firmware on their 4K UHD drives, enabling legal backups of 4K Blu-ray discs using tools like UHD Copy and UHD Ripper.
Downgrade UHD-Unfriendly Firmware
Universal Drive Support

Support for All Types of 4K Blu-ray and USB Drives

Passkey UHD Drive Tool is fully compatible with nearly all UHD drives on the market, including 4K Blu-ray internal drives with SATA interface, as well as external 4K Blu-ray and USB drives. Additionally, it supports firmware downgrading for both AHCI and IDE interfaces, ensuring a seamless downgrade experience for most UHD drive users.
Support for All Types of Drives
Quick & Easy Process

Simple and Fast One-Click Mode for All Users

This handy firmware flashing utility features an intuitive interface. No advanced knowledge or special skills are required to downgrade the firmware, suitable for both novices and experienced users. Regardless of the type of 4K Blu-ray optical drive you have, simply launch the interface and click one button to complete the downgrade process.
User-friendly downgrade operation

Supported 4K UHD Drive List

Currently, nearly a dozen popular 4K UHD drives from leading brands like LG and ASUS are supported. More drives will be added in the future.
BrandDrive ModelTypeSupported FirmwareFirmware VersionStatus
LGUH12NS40Internal, BDXL, SVC code: NS401.001.01/1.02Tested
BP55EB40External, BDXL, SVC code: NB501.001.02/1.03—
WH14NS40Internal, UHD Friendly, SVC code: NS501.001.01-1.05Tested
WH16NS40Internal, UHD Friendly, SVC code: NS50NS50_1.021.03-1.05Tested
BH16NS40Internal, UHD Friendly, SVC code: NS501.021.03-1.05Tested
BH16NS55Internal, UHD Friendly1.001.01-1.05Tested
BH14NS58Internal, UHD Friendly1.001.01/1.02Tested
BH16NS58Internal, UHD Friendly1.001.01/1.02Tested
WH16NS58Internal, UHD Friendly1.001.V5-1.V9Tested
BE16NU50External, UHD Friendly1.011.02-1.04Tested
BU40NInternal, UHD OfficialCAT9——
BU50NInternal, UHD OfficialCC01——
WH16NS60Internal, UHD Official1.001.02/1.03Tested
BP60NB10External, UHD Official1.00MK/1.02MK1.02Tested
ASUSBC-12B1ST bInternal, UHD Friendly, 2015+3.003.01-3.11—
BC-12D2HTInternal, UHD Friendly, 2015+3.003.01-3.11Tested
BW-16D1HTInternal, UHD Friendly, 2015+3.003.01-3.10Tested
BW-16D1H-UExternal, UHD Friendly, 2015+A201A202/A203/A204—
HPHLDS BU40NInternal, UHD OfficialBW41——
HLDS BU50NInternal, UHD OfficialBW50——
BuffaloBU40NExternal, UHD OfficialBU10BU13/BU14/BN12/BN13Tested
ArchgonMD-8107S-U3-UHD BU40NExternal, UHD Official1.00—Tested

How to Use Passkey UHD Drive Tool?

Downgrade unfriendly 4K UHD drive firmware in three easy clicks for smooth backups.

Passkey UHD Drive Tool Guide 1
Step 1. Launch Passkey UHD Drive Tool
First, double-click to run Passkey software and click the "Start Passkey" button. The program will minimize to the system tray. Then, right-click the Passkey icon in the system tray and select "Downgrade Firmware".
Step 2. Select your UHD drive from the available drive list
Choose your 4K UHD drive from the drop-down menu. All listed 4K UHD Drives are supported by this 4K UHD Drive Tool.
Step 3. Start Firmware Downgrade
Click the "Downgrade Firmware" tab to start the downgrade process. A success message will appear once the friendly firmware is flashed. After completion, reboot your PC.

System Requirements

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Windows 11/10/8.1/8/7 (64 bit)
Core 2 Quad and above
2GB of RAM
10GB of free hard disk space
Live Internet connection required