You can view the DFL case studies and FAQs here so that you can understand how to use the DFL data recovery tools better

WD PCB 810032 810052 Firmware Unlock PCB for Data Recovery

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WD PCB 810032 810052 Firmware Unlock PCB is available for data recovery engineers worldwide. Users just need to backup the original ROM and write to the firmware unlock PCB or users can transfer the original rom chip to firmware unlock pcb and then users can easily access the firmware area and repair the firmware corruption.

In many WD SMR HDD data recovery cases, the firmware modules are damaged, for example, the module 02 damage, module 190 damage, rom module damage, etc, to recover the lost data from these kinds of patient drives, users need to access the firmware area, backup original firmware modules, test firmware modules and then repair corrupted firmware modules and finally get the patient drives properly detected and image the patient drives to get the lost data back.

HDDs using PCB 2060-810032:

WD67PURX-85AJTY0
WD62PURZ
WD62EJRX
WD Black WD8002FZWX
WD80EMZZ
WD80EFZZ
WD8002FZWX

Order 810032-1c firmware unlock PCB here
Order 810032-3c firmware unlock PCB here

HDDs using PCB 2060-810052:

WD80EDAZ-11CEWB0
WD80EAAZ-00BXBB0
WD80EFPX-68C4ZN0
WD8002FZBX-00C9HA0

Order 810052-3c firmware unlock PCB here
Order 810052-5c firmware unlock PCB here

Please note: This firmware unlock PCB doesn’t help on the WD SMR HDD SED V2 data encryption issue, it helps only to access firmware area. To fix the SED V2 data encryption issue, users need to transfer the main chip from the data drive to the firmware unlock PCB or users need to use the original PCB after firmware repair with the firmware unlock PCB.

HDD Firmware Repair Tools and Data Recovery Tools for WD 810032 810052 Patient HDDs:

DFL-WD HDD Repair Tool
DFL-DDP Data Recovery Equipment

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ST5000DM000-1FK178 HDD Firmware Repair and Data Recovery Steps

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This is one successful Seagate ST5000DM000-1FK178 HDD Firmware Repair and Data Recovery case study from one user in Mexico.

Patient HDD symptoms:

01: Very unstable and keep reporting LBA read error;
02: Full disk bad sectors;

Patient HDD ID:

Model number-ST5000DM000-1FK178
FW: CC49

HDD Firmware Repair and Data Recovery Steps:

01: Backup patient HDD rom;
02: Generate unlock rom;
03: Write unlock rom, power off and on, send unlock key;
04: Backup important SYS35(NGlist);
05: Clear glist, view NGlist entries;
06: Regenerate translator;
07: Fix media cache and vacant actitive;
08: Power off and on and enter DFL-DDP data recovery software;
09: All lost partitions and folders are listed for immediate data recovery.

HDD Repair Tools and Data Recovery Tools Used:

DFL-Seagate hdd repair tool;
DFL-DDP data recovery tool

More powerful data recovery tools here.

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Complete HDD SSD Pen Drive Portable Drive DVR Data Recovery Tools and Solutions 2026

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Dolphin Data Lab offers complete and professional data recovery tools and solutions to data recovery engineers all over the world.

With Dolphin data recovery tools, engineers can recover lost data from the following patient storage devices:

01: SATA/PATA/Portable/USB hard drives with firmware failure;
02: SATA/PATA/Portable/USB hard drives with bad sectors/weak heads;
03: SATA/PATA/Portable/USB hard drives with physical head failure;
04: SATA SSD firmware failure;
05: SSD with bad sectors;
06: DVR/NVR/Digital Cameras/Video recorders with lost/deleted videos;
07: USB flash drives with bad sectors;

Dolphin Data Lab offers the following tools to recover lost data from above patient data storage devices:

01: DFL-SRP Portable All-in-one Data Recovery Equipment including SATA SSD firmware repair software;
02: Dolphin DVR Video Forensic Data Recovery Software;
03: Dolphin All-in-one Data Recovery Adapter USB3.0 Version;
04: Dolphin Head and Platter Swap and Clean Suite.Pro;
05: Hard Drive Ramp Toolkit Pro.;
06: Data Recovery Training U-disk(Free data recovery training docs and videos for Dolphin users with above tools only)

Watch the video demos on how Dolphin Data Recovery Tools work to get lost data back here.

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PS3111 SSD Firmware Repair and Data Recovery Steps

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My PS3111 SSD was not detected any more and I lost all the valuable data, how to recover them?
My PS3111 SSD was running very slowly and sometimes enters bluescreen and get stuck, how to get the lost data back?

Please note: to recover deleted data or formatted data from SSD is usually not possible due to the SSD trim command design, all the data becomes 0000 after the trim command is executed. Users can select to turn it off before using the SSD and then it is possible to recover the deleted/formatted data.

PS3111 SSD Firmware Repair and Data Recovery Tools:

DFL-SSD Firmware Repair Software
DFL-DDP Data Recovery Tool

PS3111 SSD Firmware Repair and Data Recovery Steps:

If the patient SSD is detected properly, just has some bad sectors, users can connect the SSD to DFL-SRP data recovery hardware to image or extract the lost data directly. If not detected or not ready, users need to follow the steps below:

01: Open DFL-SSD firmware repair software, select the SSD manufacturer-Phison and controller brand-PS3111 or rebranded one;
02: Double click PS3111 controller to enter software;
03: Switch to safe mode(similar function as short connection);
04: Load loader(auto detected loader and selection)
04: Create translator;
05: Click DFLDDP to enter data recovery software for file extraction or disk image.

Video Demo of PS3111 SSD Firmware Repair and Data Recovery Steps
PS3111 All 0 Data Recovery Steps

Helpful link: PS3111 Rebranded or OEM Controllers Collection

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SM2246XT SSD Firmware Repair and Data Recovery Steps

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My SM2246XT SSD was not detected any more and I lost all the valuable data, how to recover them?
My SM2246XT SSD was running very slowly and sometimes enters bluescreen and get stuck, how to get the lost data back?

Please note: to recover deleted data or formatted data from SSD is usually not possible due to the SSD trim command design, all the data becomes 0000 after the trim command is executed. Users can select to turn it off before using the SSD and then it is possible to recover the deleted/formatted data.

SM2246XT SSD Firmware Repair and Data Recovery Tools:

DFL-SSD Firmware Repair Software
DFL-DDP Data Recovery Tool

SM2246XT SSD Firmware Repair and Data Recovery Steps:

If the patient SSD is detected properly, just has some bad sectors, users can connect the SSD to DFL-SRP data recovery hardware to image or extract the lost data directly. If not detected or not ready, users need to follow the steps below:

01: Open DFL-SSD firmware repair software, select the SSD manufacturer-Silicon Motion and controller brand-SM2246XT;
02: Short connect the SSD PCB and power on and wait until the hdd gets ready(After short connection, the model is SM2246AA-8);
03: enter software and load loader ;
04: Create translator;
05: Click DFLDDP to enter data recovery software for file extraction or disk image.

Video Demo of SM2246XT SSD Firmware Repair and Data Recovery Steps

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DFL Data Recovery All-in-one V2.6 New Software Upgrade

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New year 2026, new software upgrade, new firmware repair and data recovery solutions for all Dolphin users for your higher success rate!

DFL all-in-one Data Recovery Software-V2.6 is available for data recovery engineers worldwide and users can go to the Dolphin user-only forum to download the latest software.

What’s new in this new software?

00: Common quick firmware repair solution-WD SMR HDD DWF error fix, one click fix and get lost data back;

01: New WD SMR structured 190(three new types of 190) auto repair solution was added;
02: Users can import donor 190 for reference to repair severely damaged 190;
03: Improve the T2 generation algorithm for more successful PBA read after the files are deleted;
04: Improve the 190 repair algorithm, faster repair, higher repair success rate;
05: Fix one bug of T2 Loading failure for some drives;
06: Improve the 190 repair solution when 190 has bad sectors with some empty nodes;
07: Improve SMR selective head image;
08: Improve file image;
09: Improve image to file solution;
10: Improve USB HDD read ability;

11: Able to copy the model number, FW version, SN number of source and target drives;
12: Scan lost partitions and data of unallocated area;
13: Improve slow file listing due to the bitmap initialization;
14: New Seagate hdd families unlock;
15: New WD SMR hdd families unlock: VENRP2LP, FBLITE2, SPYG3, VENRP2L, VENRP2LP, AVALONRP;
16: Improve exfat file system analysis;
17: Improve GPT partition analysis;

18, To edit HDD ID for new WD 8x00xx series is added;

Any question is welcome to sales[at]dolphindatalab.com.

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DVR Recovery Support Map

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Here is a list of videos on Dolphin DVR Pro. product introduction, features and case studies.

Dolphin DVR users can make best use of the following free training videos and documents to have a higher data recovery success rate of CCTV DVR, digital cameras, video repair and forensic disk image.

Dolphin DVR Error Codes and Fixes

Latest Professional CCTV DVR Digital Camera Video Recorders Recovery Tool

How to Recover Lost Videos From One Unknown DVR Drive
How to Recover Lost Videos from Unknown Digital Cameras
How to recover deleted lost videos from unknown law enforcement video recorders
How to Recover Lost Videos from Unknown Car Video Recorders
How to Repair Damaged MP4 MOV 3GP Videos
How to Repair Damaged CCTV DVR Videos

How to Recover DVR Lost Videos and Play Videos Properly

How to Recover Lost DVR Videos Quickly

How to Access and Recover Lost Videos from Mercedes Benz Black Box
How to Access and Recover Lost Videos from DJI UAV Digital Cameras;

DJI Mavic3 UAV Video Data Recovery Steps
DJI Mavic3Pro UAV Video Data Recovery Steps
DJI OsmoAction4 UAV Video Data Recovery Steps

Hikvision CCTV DVR Video Recovery Steps
How to Access and Recover Lost Videos from DaHua CCTV DVR Systems
How to Recover Lost Videos from Korea kttelecops CCTV
How to recover deleted lost videos from WFS DVR video system
New CCTV DVR Video Analysis Solution for Best Success Rate

How to Recover Lost Deleted Videos from HanBangGaoKe DVR System
How to Recover Lost Deleted Videos from HuaYi DVR System
How to Recover lost deleted videos from ZhiLing DVR System
How to recover lost deleted videos from Uniview 0x1C DVR system
How to recover lost deleted videos from Uniview 0x11 DVR system
How to Recover Lost Deleted Videos from TP Link DVR System
How to Recover Lost Deleted Videos from HongWeiShiJie DVR System

Alexa ARRI Mini Digital Camera Video Data Recovery Steps
SANYO S7 jpeg digital camera video data recovery steps
OLYMPUS DIGITAL CAMERA D4220 jpeg video data recovery steps
KODAK V550 h264 digital camera video data recovery steps
Cannon LEGRIA HF R706 h264 digital camera video data recovery steps
Panasonic DMC GX85 h264 digital camera video data recovery steps
NIKON COOLPIX P510 h264 digital camera video data recovery steps
NIKON COOLPIX S6 jpeg digital camera video data recovery steps
NIKON COOLPIX S6300 h264 digital camera video data recovery steps
NIKON D7200 h264 digital camera video data recovery steps
NIKON L120 h264 digital camera video data recovery steps

Panasonic DC S5M2 H264 Digital Camera Video Data Recovery Steps
Nikon COOLPIX P3 JPEG digital camera video data recovery steps
NIKON D7000 h264 digital camera video data recovery steps
NIKON D3100 h264 digital camera video data recovery steps
NIKON Z30 h264 digital Camera video data recovery steps
KODAK M893 JPEG Digital Camera Video Data Recovery Steps

KODAK Z1012 IS Digital Camera Video Data Recovery Steps
NIKON COOLPIX W300 H264 Digital Camera Video Data Recovery Steps
Nikon S9100 H264 Digital Camera Video Data Recovery Steps
Panasonic DC GH5 H264 Digital Camera Video Data Recovery Steps
Nikon Z9 H265 Digital Camera Video Data Recovery Steps
Nikon Z6 H264 Digital Camera Video Data Recovery Steps

Sony Catalyst Unknown Digital Camera Video Data Recovery Steps
Sony ILCE 7C H264 Digital Camera Video Data Recovery Steps
Sony ZV E1 H264 Digital Camera Video Data Recovery Steps
Sony ILCE 7RM3 H264 Digital Camera Video Data Recovery Steps
Sony ILCE 7RM4 H264 Digital Camera Video Data Recovery Steps
Sony ILCE 7SM2 H264 Digital Camera Video Data Recovery Steps
Panasonic DC GH5S Digital Camera Video Data Recovery Steps
Sony PMW EX1R Digital Camera Data Recovery Steps
Sony ILCE 7M3 Digital Camera Data Recovery Steps

Sony PXW X280 Digital Camera Data Recovery Steps

How to Recover Lost Videos From Sony ILME FX30 Digital Cameras
How to Recover Lost Videos From JVC GY HM200 h264 Digital Cameras
How to Recover Lost Videos From Panasonic DC S5M2 h265 Digital Cameras

How to Recover Lost Videos Perfectly from Sony DSC RX10M4 h264 Digital Cameras
How to Recover Lost Videos Perfectly from Sony ILCE 7M4 H264 H265 Digital Cameras
How to Recover Lost Videos Perfectly from Sony ILCE 7RM4 Upgraded H264 Digital Cameras
How to Recover Lost Videos Perfectly from SONY ILCE 7SM3 h264 h265 Digital Cameras
How to Recover Lost Videos Perfectly from SONY ILCE 7M3 h264 Digital Cameras
How to Recover Lost Videos Perfectly from SONY ILME FX3 h265 Digital Cameras
How to Recover Lost Videos Perfectly from SONY FDR AX700 h264 Digital Cameras
How to Recover Lost Videos Perfectly from Sony DSC RX10M2 h264 Digital Cameras
How to Recover lost videos perfectly from Sony ILCE 1 h264 h265 Digital Camera
How to Recover Lost Videos Perfectly from SONY HXR NX80 h264 Digital Camera

How to Recover Lost Videos from Canon Digital Cameras;
How to Recover Lost Videos from Panasonic Digital Cameras
How to Recover Lost Videos from Sony Digital Cameras
How to Recover Lost Videos From BlackMagic Digital Cameras

Latest Free But Professional CCTV DVR Video Player Version 2.03

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ST4000NM0035 HDD Firmware Repair and Data Recovery Steps

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This is one successful ST4000NM0035 HDD Firmware Repair and Data Recovery case study for one Dolphin user in India.

Patient HDD ID:

Model : ST4000NM0035 03X4440 LENOVO
Serial : ZC187T35
Firmware : LJ87
Capacity : 7814037168 (3726.02GB)
0Bytes
Sector size : 0Bytes
Heads number : 7

FW version : MFAND29B1.LXN1.BW0B61.LJ87
FW package P/N : 100826175

Patient HDD Failure:

The data area was not accessed
MFT was damaged

HDD Repair Tools and Data Recovery Tools used in this case study:

DFL-Seagate hdd repair tool
DFL-DDP data recovery hardware tool

ST4000NM0035 HDD Firmware Repair and Data Recovery Steps:

01: ST4000NM0035 ROM backup and Unlock rom generation;
(This hdd requires one different method to generate the unlock rom, Dolphin users can select mode 2)
02: Write unlock rom and send unlock key to unlock the ST4000NM0035 patient HDD successfully;
03: Backup important Sys files;
04: Fix the translator issue: clear V4 and smart and then regenerate translator;
05: Fix the common slow issue;
06: Enter DFL-DDP data recovery software and scan lost partitions reversely for NTFS;
07: Easily found and recovered all lost data.

Users can watch Dolphin data recovery video channel here to see how Dolphin data recovery tools recover different storage medias at high success rate.

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Bitlocker Protected Partition Data Recovery Steps

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How to recover lost data from bitlocker protected partitions?

If users have data recovery tools, users can enter the backup recovery key(48-digit) within the recovery software and then users can use the recovery tools to extract the lost data directly.

If users don’t have data recovery tools, users can prepare one USB booting device to enter win pe os to decrypt the bitlocker protected partition and then copy the files directly to one safe place.

Users can find the bitlocker recovery key in the Microsoft account or search it in your local drives.
If the recovery key is completely lost, the chance of recovery is very low or impossible.

Download the document above to read the complete steps to recover lost data from the bitlocker protected partition.

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WD7500BPVX-75JC3T0 Undetected 1961 HDD Firmware Repair and Data Recovery Steps

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This is one more successful Western Digital 1961 undetected hard drive firmware repair and data recovery case study from one Dolphin user in Ethiopia.

Patient HDD ID:

WD7500BPVX-75JC3T0
PCB: 2060-771961

Patient HDD Failure Symptoms:

Undetected;
When trying to obtain details, nothing can be read and the patient hdd hung there.

HDD Repair Tools and Data Recovery Tools used in this case study:

DFL-WD hdd repair tool
DFL-DDP data recovery equipment

WD7500BPVX-75JC3T0 Undetected 1961 HDD Firmware Repair and Data Recovery Steps

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