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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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Become a Partner of Dolphin Data Lab in Germany

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This is one partner request from Germany to offer data recovery services, tools, data recovery training courses to the local data recovery companies, laptop repair companies, digital forensic companies, data centers, etc.

‘Dear Sir or Madam,

I am an IT Administrator in Germany and currently studying Cyber Security. I have a strong interest in data recovery and Harddisks repair, and I am planning to start my own data recovery business.

I am very interested in becoming a Non-exclusive Partner of Dolphin Data Lab in Germany. In the future, I would also be happy to grow into the role of an Exclusive Distributor.

Could you please provide me with more details regarding:

the services you can offer me remotely,

the programs and tools you can provide,

and an offer with your pricing and available services.

I am looking forward to building a partnership with Dolphin Data Lab and growing together.

Thank you very much in advance for your reply.

Best regards,’

Dolphin Data Lab is expecting and welcoming more reseller or partner request from data recovery engineers or companies worldwide. Dolphin Data Lab will offer the best data recovery hardware tools, solutions, training courses, etc and grow together with all partners.

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

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ST1000LM037 Undetected LED HDD Firmware Repair and Data Recovery Steps

This is one more successful Seagate hard drive firmware repair and data recovery case study for one Dolphin user in India.

The patient HDD has the following failure symptoms:

01: HDD ID is not detected;
02: Com terminal reports LED error and couldn’t enter F3 T>;
03: Data area is not accessible.

Here is the complete ST1000LM037 Undetected LED HDD Firmware Repair and Data Recovery video case study and users and learn the detailed steps to fix the patient HDD and finally recovered all the lost data.

 

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Data Recovery Tools used in Brazil 2025

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The following is one returning client from Brazil.

‘Hello, how are you? Mr. Stanley if I remember correctly

I’d like to purchase again (I already bought products from your company before and refer to partners to buy from you too)

I’d like to know my options for buying a Data Extractor hardware clone as well as Seagate and WD firmware repair, I believe something like the DFL-SRP All-In-One USB3.0 or the DFL-PCIe 4X

I only need to recover 2 drives at the same time.

Please advise with quote or similar products, I’m buying this in addition to other equipment I already have.

I live in Brazil Zipcode(CEP) 54400-170

CPF 079.606.694-90

Thank you, all the best!! ❤️

Atenciosamente,’

This is one very successful data recovery engineer and business in Brazil with high success rate of Dolphin data recovery equipment and wish to set up new data recovery lab in different city.

Dolphin team will always do the best for all Dolphin users and has already given the best quote to the client.

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ST5000LM000 Seagate HDD Data Recovery Steps

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This is one successful data recovery case study for one Dolphin user in India.

Most dolphin users can handle this kind of data recovery cases by themselves but for new users this case study will be very helpful to learn to improve data recovery skills.

Patient HDD ID:
Model-ST5000LM000

Failure symptoms:
Undetected HDD ID;
Data area was not accessible;

ST5000LM000 HDD Repair and Data Recovery Steps

01: make sure the patient HDD enter F3 T> and the com terminal works properly;
02: Unlock the firmware area;
03: Backup important SYS files;
04: View and confirm the nglist entries;
05: Clear glist, smart and regenerate translator;
06: Fix data encryption issue;
06: Open DFL-DDP data recovery software and all lost partitions and folders were recovered.

Users can add Dolphin teams ID: sales@dolphindatalab.com for live support.

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DT01ACA100 Capacity 0 HDD Firmware Repair and Data Recovery Steps

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This is one successful data recovery case study of  Toshiba Hitachi HDD DT01ACA100 with capacity 0 failure.

Patient HDD ID:

Family-7210DLE6
Model ID: DT01ACA100

Failure Symptoms

Capacity is 0 and data area is not accessible

Required hdd repair tools and data recovery tools to recover the lost data from DT01ACA100 patient HDD:

DFL Hitachi HDD Firmware Repair Tool
DFL DDP data recovery tool

HDD Repair and Data Recovery Steps

01: Connect the patient DT01ACA100 hdd to DFL Hitachi hdd repair hardware and backup the firmware modules, rom and nvram;
02: Go to FW Operations>Initialize HDD>Initialize Microcode, users just select the fw backup path and then click ok to run the auto repair;
03: Power off and on the patient HDD;
04: Open DFL DDP data recovery software and the user found the lost partition and folders.

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

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Mini Rom Chip 1.43-2.37mm R/W Adapter Pro.

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All-in-one ROM Chip Adapter Smart was available for international data recovery engineers to read and write ROM chips and it works with the Chip-on HDD Flash Programmer Smart.

This All-in-one ROM Chip Adapter Smart supports both standard ROM chip sizes and mini ROM chip sizes and users just need to solder the rom chip off the original PCB and then solder it onto this adapter and then users can read the rom by the Chip-on HDD Flash Programmer Smart software. Users need to put the rom chip one by one to read the data, cannot put two or more chips at the same time onto this adapter to read.

 

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Please note: This all-in-one rom chip adapter requires good soldering skills. It’s mainly used for the latest mini rom chips whose sizes are even smaller than the known 4mm*3mm or 3mm*2mm which has better choices to read and write rom by HDD Mini ROM Chip Reader Pro. 3*2 and HDD Mini ROM Chip Reader Pro. 4*3

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WD Busy SMR HDD Firmware Repair and Data Recovery Steps

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This is one typical western digital SMR hdd firmware repair and data recovery case study, the patient drive was busy, the firmware area and data area was not accessed, the patient HDD ID was not detected.

To recover the lost data from above busy WD SMR hdd, users need to have the following tools:

01: DFL DDP data recovery equipment;
02: DFL WD hdd firmware repair tool

HDD firmware repair and data recovery steps:

01: Get WD SMR busy hdd ready;
02: Read patient HDD ROM by HDD rom chip pin reader;
03: Generate unlock rom by DFL WD hdd repair tool and write unlock rom by pin reader (sometimes users need to use firmware unlock PCBs to unlock firmware area);
04: Backup important firmware modules;
05: Test firmware modules;
06: Repair module 190 and get repaired t2data file;
07: Load T2data to ram and set auto t2data loading to ram within disk image settings;
08: Data area was accessible and all lost data was recovered successfully.

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

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ST2000NM012A-2MP130 Cimarron B5 HDD Firmware Repair and Data Recovery Steps

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This is one Seagate ST2000NM012A-2MP130 hard drive firmware repair and data recovery case study from one Dolphin user in Colombia. The user failed to fix this case by other data recovery tools and then applied for remote support from Dolphin engineers.

Patient HDD iD:

ST2000NM012A-2MP130
Family: B5 Cimarron

Patient HDD Symptoms

HDD detected but all sectors are not accessible

HDD Repair and Data Recovery Steps

01: Seagate hdd rom backup and unlock rom generation by DFL seagate hdd repair software;
02: Write unlock rom, power off and on, send unlock key to unlock firmware area;
03: Backup important SYS files;
04: Remove password-2;
05: Repair module 40;
06: Write back original ROM;
07: Open DFL-DDP data recovery software and all lost partitions and folders are available for immediate data recovery.

Any question is welcome to sales[@]dolphindatalab.com or add Dolphin skype ID: dolphin.data.lab

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ST2000LM009 TotalEntries Retry Error UnrecovSectorCount HDD Repair and Data Recovery Steps

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This is one very interesting Seagate ST2000LM009 hdd firmware repair and data recovery case study.

When power on the patient hdd, users get continuous error messages:

TotalEntries:0067 XfrLen:0248
UnrecovSectorCount:0067,0066,0248
Retry error:44030094
ReadContinuous: 122F5D09,00000248
CFD twk 59->50
…

Users cannot enter F3 T> easily.

Here is the video data recovery case study with details on how to fix above COM terminal errors and recover the lost data.

 

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