Case Study
32 GB Transcend SD Card - Video & Photo Recovery from Physically Damaged SD card
Recovering memories , 95% of data recovered in 20 days
Overview:
A Transcend 32 GB Class X SD card encountered a severe physical issue, causing it to display only 10 GB of its actual capacity. This led to a significant concern, as the card contained crucial photos and videos.
Client Background:
An individual client using a Transcend SD card recently faced unexpected data accessibility issues, which compromised essential files.
Addressing Key Challenges in Data Recovery:
The main challenge was the physical damage to the SD card, which caused it to show a reduced capacity of 10 GB instead of its actual 32 GB. This discrepancy indicated a serious underlying issue that needed specialized attention to prevent permanent data loss.
Drive Specifications:
- Brand: Transcend
- Capacity: 32 GB
- File Types: Photos, videos, JPEG
Issue:
The SD card exhibited physical damage, leading to a significant reduction in its detected capacity. This physical problem posed a risk of losing valuable photos and videos stored on the card.
Data Recovery Actions & Approach:
Our meticulous recovery process involved the following key steps:
- Initial Analysis: We analyzed the SD card using a specialized flash media tool. We observed that only 10 GB of capacity was visible, significantly lower than the actual 32 GB.
- Physical Examination: We carefully removed the protection layer of the SD card. During this process, an unknown pinout was discovered. This pinout was not found in the existing database, which made the recovery process more complex.
- Soldering: To proceed, we soldered all relevant test points to a special adapter. This step was crucial to identifying the data and control signals required for recovery.
- NAND Chip Reading: The data dump was read page-by-page. This detailed process revealed numerous bit errors within the data.
- Re-read Method: A re-read method was applied 5–10 times to correct the dump. This iterative process was essential to minimize errors and ensure the accuracy of the recovered data.
- Algorithm Application: An appropriate algorithm was applied to the corrected dump. This final step successfully reconstructed the client's data.
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Data Recovery Success:
Despite the complexity and physical damage, 90–95% of the data was successfully recovered. The recovery process took approximately 20–25 days, demonstrating the thoroughness and expertise in handling such cases.
Conclusion:
The successful recovery of most of the client’s data from the physically damaged Transcend SD card highlights their proficiency in dealing with complex physical data loss scenarios. The meticulous approach, from initial analysis to applying advanced algorithms, ensured a high data recovery rate, thus safeguarding the client’s valuable photos and videos.
Statement from the customer:
"I was worried when my Transcend SD card showed only a fraction of its capacity and seemed to have lost valuable photos and videos. The team’s expert handling and innovative techniques recovered 90–95% of my data within 20–25 days. I’m incredibly relieved and grateful for their skillful and dedicated work."
Professional Photographer
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