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SD Card Data Recovery

SDHC, SDXC, and SDUC Camera Memory Cards

SD card not recognized? Showing "needs to be formatted"? Physically broken after being forced into a slot? We recover data from full-size SD cards used in DSLRs, mirrorless cameras, camcorders, and audio recorders. PCB repair, controller bypass, and direct NAND chip reading when needed.

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No Data, No Charge. Free evaluation for all SD card types.

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4.9

1,837+ Google Reviews

Since 2008

Established

Repairs on Video

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Louis Rossmann
Written by
Louis Rossmann
Founder & Chief Technician
Updated March 2026
8 min read

What Customers Say About Flash Media Recovery

4.9 across 1,837+ verified Google reviews
“I was a big fan of Rossmann. I have been watching him on YouTube for years. Naturally, when I was having a hardware problem with my Framework Laptop, I was so excited to be able to use the business owned by one of my heroes. I emailed them in advance since I know they focus on Apple Product repair. They emailed me warning it may take several weeks. I thought to myself. I can wait as long as it takes, I just want my issue resolved so I shipped it out. The issue was after a spill on the charge port the machine would periodically stop charging and need the power cable re-seated.”
Tech Girl Tiff
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“All I can say is.. WOW. I spilled water on my laptop and couldn't find anywhere that would fix it, I kept thinking I would have to pay $1000+ for data recovery (always backup your files, kids) and thankfully I found Rossmann! I mailed it in right away! They do water damage, no problem. Patrick was great and super helpful through the process and made everything smooth sailing.”
Hannah Hutchinson
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“They are the best! My daughter spilled water on her keyboard. Apple store would charge $750 even though we still are in warranty saying they don't cover water damage. Rossmann group fixed it would Q-tips and didn't charge me anything! just told me "next time bring in something really broken". Will tell all my friends to go here for tech need!”
Anita Xu (LittleBu)
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How SD Cards Differ from MicroSD Cards

While older or lower-capacity full-size SD cards use a traditional PCB-based design with a separate controller chip and NAND flash memory, modern high-capacity SD cards (such as UHS-II SDXC and SDUC) are predominantly monolithic, with the controller and NAND encapsulated together under a solid epoxy coating in a single inseparable package. All MicroSD cards are also monolithic. The distinction is no longer a clean SD-vs-microSD split; it depends on the card's age, capacity, and manufacturer.

On older PCB-based cards, the NAND chip is a separate component that can be desoldered and read directly using PC-3000 Flash. This is standard chip-off recovery, and it works even when the controller is completely dead. On modern monolithic cards, recovery requires precision epoxy sanding and microscopic wiring to exposed test points, identical to the process used for microSD cards.

Monolithic recovery... requires either precision spider-board adapters (using friction contacts) or manual micro-soldering to tap into the sealed package. That process is more time-intensive and typically costs more than standard chip-off. We handle both microSD recovery and monolithic full-size SD recovery.

SD vs MicroSD Architecture

FeatureSD CardMicroSD
Internal designPCB + separate chipsMonolithic
NAND removableYes (desolder)No (sealed)
Recovery methodChip-off or PCB repairSpider-board soldering
Common useCameras, camcordersPhones, drones, dashcams

SD Express: PCIe and NVMe Replace the Legacy SD Bus

The SD 7.0 specification (and its successors, SD 8.0 and SD 9.0) introduced SD Express, which replaces the legacy SD bus with PCI Express lanes and the NVMe protocol. These are the same interfaces used in modern laptop and desktop SSDs. An SD Express card rated at SD 7.0 uses a single PCIe Gen 3 lane; SD 9.0 cards use PCIe Gen 4 with theoretical throughput up to 3,940 MB/s.

From a recovery standpoint, an SD Express card is functionally a miniature NVMe SSD. The traditional SD pinout is retained for backward compatibility, but when operating in Express mode, the card communicates over PCIe. A dead SD Express card cannot be recovered using standard SD card readers or legacy chip-off workflows. Instead, recovery requires PCIe-capable hardware adapters, such as the PC-3000 Portable III with its PCIe interface module. The diagnostic and imaging process mirrors NVMe SSD recovery rather than traditional flash card recovery.

SD Express cards are still uncommon in consumer cameras as of 2026, but CFexpress Type B (which also uses PCIe/NVMe) is already standard in professional cinema cameras and flagship mirrorless bodies. As SD Express adoption grows, expect recovery costs and procedures to align with SSD-class work rather than traditional flash card pricing.

SD Card Failures We Recover

SD cards fail differently from hard drives and SSDs. No moving parts, but the PCB, controller, and NAND flash are all vulnerable to physical stress, electrical faults, and wear.

Physical PCB Damage

SD cards are thin and fragile. Forcing a card into a slot at an angle, stepping on it, or bending it can snap the internal PCB or sever traces between the controller and NAND chip.

Recovery approach: Desolder the NAND chip from the damaged board and read it directly with PC-3000 Flash. If the PCB crack is minor, we bridge the broken traces with jumper wires.

Controller Failure

The controller chip manages communication between your camera and the NAND flash. When it fails, the card may not be detected, show 0 bytes, or prompt "needs to be formatted."

Recovery approach: Bypass the controller entirely. Desolder the NAND chip, read the raw data, and reconstruct the file system from the dump.

Common SD card controllers: Full-size SD cards typically use microcontrollers from Silicon Motion (SM2703, SM2706) or Phison (PS8035). Each controller model applies a unique XOR scrambling key to the stored data. During chip-off recovery, the raw NAND dump appears as scrambled noise until the technician identifies and reverses the exact XOR key for that controller. PC-3000 Flash maintains a database of known controller/key combinations, but less-common or newer controllers sometimes require manual key extraction from the controller firmware.

Electrical Damage

Faulty card readers, USB hubs with poor voltage regulation, or static discharge can fry the controller or damage the NAND interface. The card may work intermittently or stop responding entirely.

Recovery approach: Test for short circuits on the PCB. If the controller is dead but NAND is intact, proceed with chip-off recovery.

File System Corruption

Pulling a card from a camera mid-write, power loss during file transfer, or a camera firmware bug can corrupt the FAT or exFAT file system. The card may appear empty, show as RAW, or produce read errors.

Recovery approach: Create a forensic sector-level image of the card. Rebuild the file system from the image or carve files using header signatures.

SD Card Recovery Process

Every SD card recovery follows a structured workflow. The steps vary depending on failure type, but the approach is always image-first: we secure a copy of the raw data before attempting any repair.

  1. 1

    Visual Inspection and Damage Assessment

    Inspect the card under magnification for cracked housing, bent contacts, broken PCB traces, or signs of electrical damage (burn marks, discoloration). Test with a known-good reader to confirm whether the controller responds.

  2. 2

    PCB Repair or Controller Bypass

    If the controller still functions, we image the card directly. If the controller is dead or the PCB is damaged, we either bridge broken traces or desolder the NAND chip for direct access. SD cards use standard NAND packages (TSOP-48, BGA, or LGA/TLGA) that can be cleanly removed with a hot-air rework station.

  3. 3

    NAND Imaging with PC-3000 Flash

    The desoldered NAND chip is placed in a reader adapter and connected to PC-3000 Flash. We read the raw memory contents page by page, applying multiple passes to ensure a clean dump. This raw dump includes all data currently stored on the NAND. Note: some camera firmware issues a full erase sequence (SD spec CMD38) during formatting rather than a quick format, physically wiping NAND cells before rewriting the filesystem. If your camera performed a full format, recovery is unlikely regardless of card condition.

  4. 4

    Data Reconstruction

    Apply ECC correction to fix bit errors, decode any XOR scrambling used by the controller, and reassemble the logical block layout. Once the logical image is reconstructed, we mount the file system (FAT32 or exFAT) and extract files. If the file system is too damaged, we carve files using header and footer signatures.

  5. 5

    Verification and Delivery

    Spot-check recovered files: open sample photos, scrub through video clips, verify file counts against directory metadata. Deliver recovered data on a new USB drive or external hard drive. We provide a file listing before delivery so you can confirm we recovered what you need.

Recovery for Photographers and Videographers

SD cards are the primary storage medium for professional camera systems. A card failure during a wedding shoot, commercial production, or documentary project means lost revenue and work that cannot be re-created.

We recover all professional file formats written by camera systems:

  • •RAW photos: CR2/CR3 (Canon), NEF (Nikon), ARW (Sony), RAF (Fujifilm), ORF (Olympus), DNG
  • •Video: 4K/8K MP4, MOV, ProRes, BRAW (Blackmagic RAW), XAVC (Sony), MXF
  • •Audio: WAV, BWF, AIFF from field recorders (Zoom, Sound Devices, Tascam)

RAW and high-bitrate video files are large files written sequentially by the camera. On a freshly formatted card, they tend to be stored contiguously, which aids carving from a raw NAND dump. After cycles of deleting and reshooting, fragmentation increases as the filesystem reuses freed clusters. Formatting the card before each shoot minimizes this effect.

Time-Sensitive Recovery

Wedding photographers and production crews often face delivery deadlines. We offer rush turnaround for professional recovery cases. Standard SD card recovery: 3 to 5 business days. Rush service: 1 to 2 business days for qualifying cases. Contact us to discuss your timeline.

What NOT to Do

  • ✗Do not format the card when prompted by your camera or computer
  • ✗Do not write new photos or video to the card
  • ✗Do not run consumer recovery software on a physically damaged card
  • ✓Remove the card, store it safely, and send it for professional evaluation

Drone and Action Camera SD Card Recovery

Action cameras (GoPro Hero series, DJI Action, Insta360) and drone-mounted cameras (DJI Mavic, Air, Mini series) write video data differently from traditional cameras. These devices simultaneously record a high-resolution MP4 or MOV file, a low-resolution proxy file (LRV), and thumbnail metadata (THM) in parallel streams across the SD card.

MP4 and MOV files use a container format with two critical components: the mdat atom (the raw video and audio binary data) and the moov atom (the index that maps timestamps to byte offsets within the mdat). The moov atom is typically written last, when recording stops. If a drone crashes, a GoPro loses battery, or the card is ejected mid-recording, the moov atom is never finalized. The raw video data exists on the card, but no index tells a media player how to read it.

Consumer recovery software cannot handle this scenario because it relies on intact file system metadata and container headers. Professional recovery uses frame-cadence analysis to reconstruct the container index from the raw mdat stream, reassembling playable video from what appears to be unstructured binary data.

Action Camera Recovery Considerations

  • •GoPro chaptered recording: GoPro splits long recordings into ~4 GB chapters (GP01, GP02, etc.) on FAT32. A mid-recording failure may leave the final chapter without its moov atom while earlier chapters remain intact.
  • •DJI thermal cycling: Drone SD cards experience temperature swings from cold altitude air to warm electronics. Repeated thermal cycling accelerates solder joint fatigue on PCB-based cards, which can cause intermittent contact failures between the controller and NAND.
  • •High write endurance demands: Action cameras writing continuous 4K/5.3K video push SD cards toward their rated write cycles faster than typical photo use. Cards rated for lower endurance (standard TLC) may develop bad blocks and read errors sooner.

Data Recovery Standards & Verification

Our Austin lab operates on a transparency-first model. We use industry-standard recovery tools, including PC-3000 and DeepSpar, combined with strict environmental controls to make sure your hard drive is handled safely and properly. This approach allows us to serve clients nationwide with consistent technical standards.

Validated Clean Zone

Open-drive work is performed in a ULPA-filtered laminar-flow bench, validated to 0.02 µm particle count, verified using TSI P-Trak instrumentation.

Transparent History

Serving clients nationwide via mail-in service since 2008. Our lead engineer holds PC-3000 and HEX Akademia certifications for hard drive firmware repair and mechanical recovery.

Media Coverage

Our repair work has been covered by The Wall Street Journal and Business Insider, with CBC News reporting on our pricing transparency. Louis Rossmann has testified in Right to Repair hearings in multiple states and founded the Repair Preservation Group.

Aligned Incentives

Our "No Data, No Charge" policy means we assume the risk of the recovery attempt, not the client.

LR

Technical Oversight

Louis Rossmann

Louis Rossmann's well trained staff review our lab protocols to ensure technical accuracy and honest service. Since 2008, his focus has been on clear technical communication and accurate diagnostics rather than sales-driven explanations.

We believe in proving standards rather than just stating them. We use TSI P-Trak instrumentation to verify that clean-air benchmarks are met before any drive is opened.

See our clean bench validation data and particle test video

SD Card Recovery Pricing

SD card recovery starts at $300. Final pricing depends on the failure type, card architecture (PCB-based vs. monolithic), and the complexity of the NAND reconstruction. We provide a firm quote after evaluating your card. No diagnostic fees. No data, no recovery fee.

Logical Recovery

$300 – $500

File system corruption, accidental quick format, deleted files. Card is physically intact and the controller responds. Recovery via sector-level imaging and file system rebuild or file carving.

Controller Failure / PCB Repair

$500 – $900

Dead controller, electrical damage, minor PCB cracks. Requires chip-off NAND reading with PC-3000 Flash, XOR descrambling, and ECC correction. Includes trace bridging for repairable PCB damage.

Monolithic / Physical Damage

$900 – $1,500

Monolithic SD cards requiring spider-board micro-soldering or epoxy sanding to access sealed NAND. Severely damaged PCBs with multiple severed traces. Water or salt damage requiring ultrasonic cleaning before any recovery attempt.

All prices are estimates. You receive a firm, no-obligation quote after our free evaluation. If we cannot recover your data, you pay nothing.

SD Card Recovery in Action

MicroSD and SD card recovery share the same NAND chip-off and spider-board techniques. This video shows the process on a monolithic flash card using PC-3000 Flash and ACELAB adapters.

SD Card Recovery Terminology

Terms referenced throughout this page and during the evaluation process.

Chip-off
Desoldering the NAND flash chip from the card's PCB and reading it directly with a flash reader (PC-3000 Flash or similar). Used when the controller is dead or the board is physically destroyed.
PCB (Printed Circuit Board)
The thin fiberglass board inside a full-size SD card that connects the controller chip, NAND chip, and contact pads. Cracked PCBs sever electrical traces between components.
Controller
The IC that manages read/write operations, wear leveling, ECC, and communication between the host device and the NAND flash. When it fails, the card is not detected even though data remains on the NAND.
NAND Flash
The non-volatile memory chip that stores your data. SD cards typically use MLC or TLC NAND. The data persists on NAND even after the controller fails or the PCB is damaged.
ECC (Error Correction Code)
An algorithm applied by the controller to detect and correct bit errors in NAND pages. During chip-off recovery, the correct ECC parameters must be identified and applied to produce a clean data dump.
XOR Scrambling
A data transformation applied by nearly all modern SD card and flash memory controllers. XOR scrambling converts stored data into noise-like patterns to prevent repetitive bit sequences that accelerate cell wear in TLC and QLC NAND. The scrambling key is specific to the controller model and must be identified and reversed during chip-off recovery before the file system becomes readable.

SD Card Recovery: Common Questions

Can data be recovered from a broken SD card?
In most cases, yes. Full-size SD cards contain a small PCB with separate NAND flash and controller chips. If the plastic housing is cracked or the PCB has snapped traces, we can often repair the board or desolder the NAND chip and read it directly using PC-3000 Flash. The limiting factor is whether the NAND die itself is physically shattered. If the silicon is intact, recovery is likely.
How much does SD card recovery cost?
We provide a firm quote after a free evaluation; no data, no charge. Logical issues (file system corruption, accidental format) cost less than hardware failures. Controller failures and physical PCB damage requiring micro-soldering or chip-off NAND reading cost more.
Can you recover RAW photos from a corrupted SD card?
Yes. RAW image files (CR2, NEF, ARW, RAF, ORF) are large files that cameras write sequentially. On a freshly formatted card this results in contiguous storage; after cycles of deleting and reshooting, fragmentation increases as the filesystem reuses freed clusters. We image the NAND, reconstruct the flash translation layer to rebuild a logical filesystem image, and extract files directly. If the filesystem metadata is too damaged for reconstruction, we fall back to file carving using known file-type signatures. All recovered RAW files are verified to open correctly before delivery.
What is the difference between SD card and MicroSD recovery?
Architecture. Full-size SD cards use a PCB with a separate NAND chip and controller. The NAND can be desoldered and read with standard chip-off equipment. MicroSD cards are monolithic: controller and NAND are sealed together in a single inseparable package. MicroSD recovery requires spider-board micro-soldering to access the die directly, which is more time-intensive and typically costs more.
Do you offer rush turnaround for wedding photo recovery?
Yes. Standard turnaround for SD card recovery is 3 to 5 business days. Rush service can reduce this to 1 to 2 business days depending on the failure type and current lab workload. Contact us to discuss your timeline.
My SD card says it needs to be formatted. What should I do?
Do not format the card. That prompt means the file system metadata (FAT/exFAT table, directory entries) is damaged, but your files are likely still written on the NAND. Do not format the card. On older cameras, this only clears metadata. However, many modern cameras (like Sony Alpha) send an 'SD_ERASE' command during format, which permanently wipes the data from the memory chips. Never format a card you need to recover.
Which camera SD cards do you recover?
All of them. Canon, Nikon, Sony, Fujifilm, Panasonic, Olympus/OM System, Leica, Hasselblad, Blackmagic, RED. The camera brand does not affect recovery; what matters is the SD card's controller chip and NAND type. Common SD card manufacturers include SanDisk, Lexar, Samsung, Sony, Kingston, and ProGrade Digital.
Can data be recovered from an SD card dropped in water or saltwater?
In most cases, yes. The NAND flash chip inside an SD card is sealed in an epoxy or plastic package that resists short-term water exposure. Saltwater is more corrosive and can damage the copper contact pads and PCB traces if the card is not dried quickly. Our process involves ultrasonic cleaning to remove corrosion, isopropyl alcohol displacement of residual moisture, and mechanical cleaning of oxidized test points or contacts. If the controller is damaged by corrosion, we proceed with chip-off NAND recovery. Do not attempt to power on a wet card; short circuits from residual moisture can destroy the controller or NAND die.
Can you recover video from a crashed drone or GoPro?
Yes. Drone and action camera SD cards often fail due to mid-recording power loss (crash, battery depletion, or ejection). When recording stops unexpectedly, the MP4/MOV container's index (the moov atom) is never written, which makes the video file unplayable even though the raw data exists on the card. We reconstruct the container index from the raw binary data using frame-cadence analysis. If the card is also physically damaged from the impact, we combine chip-off NAND recovery with video container reconstruction.

Secure Mail-In from Anywhere in the US

Transit Time

1 Business Day

FedEx Priority Overnight delivers to Austin by 10:30 AM the next business day from most US addresses.

Major Origins
  • New York City 1 Business Day
  • Los Angeles 1 Business Day
  • Chicago 1 Business Day
  • Seattle 1 Business Day
  • Denver 1 Business Day
Security & Insurance

Fully Insured

Use FedEx Declared Value to cover hardware costs. We return your original drive and recovered data on new media.

Packaging Standards

  • ✓Use the box-in-box method: float a small box inside a larger box with 2 inches of bubble wrap.
  • ✓Wrap the bare drive in an anti-static bag to prevent electrical damage.
  • ✗Do not use packing peanuts. They compress during transit and allow heavy drives to strike the edge of the box.
Read Full Shipping Guide →

Looking for MicroSD or CompactFlash Recovery?

MicroSD cards use monolithic architecture requiring chip-off techniques with spider-board micro-soldering. CompactFlash uses a 50-pin PATA interface common in industrial equipment. See our MicroSD recovery or CompactFlash recovery pages.

Need Recovery for Other Devices?

MicroSD Card Recovery

Monolithic chip-off recovery for MicroSD cards

CompactFlash Recovery

50-pin PATA CF cards for industrial and legacy systems

USB Flash Drive Recovery

Controller repair and NAND recovery for USB sticks

Dash Cam & Body Cam Recovery

MicroSD wear-out and video reconstruction for vehicle cameras

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