SD Card Recovery and Repair
SD cards (Secure Digital cards), and variants – Micro SD, SDHC, SDXC are commonly used in digital cameras, smartphones, tablets, drones, and other portable devices to store important files such as photos, videos, and documents. However, SD cards can suffer from logical corruption, physical damage, or electrical failure, leading to data loss. When an SD card fails, professional data recovery and repair services can help recover lost files.
Common Causes of SD Card Failures
SD cards can fail for several reasons, including logical issues, physical damage, and electrical malfunctions. Below are the most common causes of SD card failures:
1. Logical or File System Corruption
Logical failures occur when the file system or data structure on the SD card becomes corrupted, making it impossible to access the stored files.
- Symptoms: Files become inaccessible, the card appears unformatted, error messages such as “card error” or “file system corrupted” appear.
- Causes: Improper ejection of the SD card from devices, sudden power loss, accidental formatting, or file system corruption.
- Devices Affected: All types of SD cards (standard SD, miniSD, microSD).
2. Accidental Formatting or Deletion
Accidentally formatting an SD card or deleting files is a common cause of data loss. While the files may no longer be visible, they are often still recoverable until new data overwrites them.
- Symptoms: Entire card appears empty, the device prompts you to format the SD card, or specific files have disappeared.
- Causes: Accidental formatting, unintentional file deletion, or software glitches.
- Devices Affected: All types of SD cards.
3. Physical Damage
Physical damage to an SD card, such as from bending, cracking, or exposure to moisture, can damage the internal components, making it unreadable by devices.
- Symptoms: The card is not recognised by any device, the card has visible cracks or bends, or the data is completely inaccessible.
- Causes: Dropping the card, improper handling, exposure to water or extreme temperatures, or bending the card.
- Devices Affected: All types of SD cards.
4. Electrical Failure
Electrical issues can occur when an SD card experiences a power surge or static discharge, which may damage its internal circuitry and prevent data access.
- Symptoms: The SD card is not detected by the device, or error messages appear when trying to access the card.
- Causes: Power surges, improper insertion/removal from a device, or malfunctioning hardware.
- Devices Affected: All types of SD cards.
5. Wear and Tear (Bad Sectors)
Over time, NAND flash memory inside SD cards can degrade, leading to bad sectors that prevent data from being read or written. This is more common in older or heavily used cards.
- Symptoms: Slow data transfer speeds, error messages during read/write operations, or files becoming corrupted or inaccessible.
- Causes: Aging of the NAND flash memory, excessive use, or natural wear over time.
- Devices Affected: All types of SD cards.
Signs Your SD Card Needs Recovery or Repair
If your SD card is showing any of the following signs, it may be failing and require professional recovery or repair:
- Unrecognized by Devices: The card is not detected by cameras, smartphones, or computers.
- Error Messages: Error messages such as “card not formatted” or “file system corrupted” appear when trying to access the card.
- Corrupted Files: Files become inaccessible, display as corrupted, or fail to open.
- Missing Files: Photos, videos, or documents are missing from the card without explanation.
- Slow Performance: Unusually long times to transfer files or slow read/write speeds.
Professional SD Card Recovery and Repair Services
If your SD card has failed, our professional recovery and repair services can help recover lost data and, in some cases, restore the card’s functionality. Below are the key services provided by our SD card recovery specialists:
1. Logical Data Recovery
For logical failures such as file system corruption, accidental deletion, or unformatted cards, recovery specialists use advanced software to retrieve lost or inaccessible data.
- File System Repair: Corrupted file systems are repaired to restore access to the files on the SD card.
- Deleted File Recovery: Even if files are deleted or the card is formatted, recovery software can often restore the data as long as it hasn’t been overwritten.
- Partition Recovery: If the partition on the SD card is damaged or missing, our recovery professionals can rebuild the partition to access the data.
2. Physical Repair for Damaged SD Cards
If the SD card has suffered physical damage, such as cracks, bends, or water exposure, our professional recovery services can perform physical repairs to recover the data.
- Chip-Off Recovery: This process involves removing the NAND memory chip from the SD card and reading the data directly from the chip using specialised equipment.
- PCB Repair: If the SD card’s circuit board is damaged, our engineers may repair or replace the faulty components to recover the data.
- Component Replacement: In severe cases, damaged components can be replaced to restore the card’s functionality temporarily for data recovery.
3. Electrical Repair
If your SD card has suffered from electrical damage, such as a power surge or static discharge, our data recovery experts can repair the damaged circuitry and restore access to the card.
- Circuit Repair: Electrical components damaged by power surges can be repaired or replaced to restore power to the card.
- Firmware Repair: In some cases, firmware issues can cause the SD card to malfunction, which recovery experts can repair.
4. Recovery from Bad Sectors
If the SD card has developed bad sectors due to wear and tear, our recovery engineers can extract data from the working sectors while avoiding the corrupted areas.
- Sector-by-Sector Cloning: Data is copied sector-by-sector to recover as much data as possible from the functional parts of the SD card.
- Bad Sector Bypass: Our expert engineers use advanced tools to bypass unreadable sectors and recover data from the rest of the card.
In the UK and Ireland, several manufacturers are renowned for producing high-quality SD memory cards. Here are the top ten, along with some of their most popular models:
- SanDisk (Western Digital)
- Popular Models:
- SanDisk Extreme PRO SDXC: Offers high-speed performance suitable for 4K UHD video recording.
- SanDisk Ultra SDHC/SDXC: Ideal for compact and mid-range point-and-shoot cameras.
- Popular Models:
- Samsung
- Popular Models:
- Samsung PRO Plus SDXC: Designed for professional photographers and videographers requiring fast read/write speeds.
- Samsung EVO Plus SDHC/SDXC: Offers reliability and performance for everyday use.
- Popular Models:
- Kingston Technology
- Popular Models:
- Kingston Canvas React Plus SDXC: Engineered for capturing 4K and 8K videos with high-speed performance.
- Kingston Canvas Select Plus SDHC/SDXC: Suitable for high-resolution photos and Full HD videos.
- Popular Models:
- Lexar
- Popular Models:
- Lexar Professional 2000x SDXC UHS-II: Provides high-speed performance for professional photographers.
- Lexar Professional 633x SDHC/SDXC UHS-I: Offers a balance of speed and capacity for everyday use.
- Popular Models:
- Transcend
- Popular Models:
- Transcend SDXC/SDHC 700S: Designed for 4K video recording with high-speed performance.
- Transcend High Endurance SDXC/SDHC: Built for continuous recording applications like dashcams and security cameras.
- Popular Models:
- PNY Technologies
- Popular Models:
- PNY Elite Performance SDXC: Offers high-speed performance for professional photographers.
- PNY Pro Elite SDXC: Suitable for capturing 4K Ultra HD videos and high-resolution photos.
- Popular Models:
- Integral Memory
- Popular Models:
- Integral UltimaPro X2 SDHC/SDXC: Provides high-speed performance for professional use.
- Integral UltimaPro SDHC/SDXC: Offers a balance of speed and capacity for everyday photography.
- Popular Models:
- Sony
- Popular Models:
- Sony SF-G Series TOUGH SDXC: Known for its rugged design and high-speed performance.
- Sony SF-M Series SDXC: Offers a balance of speed and durability for various applications.
- Popular Models:
- Toshiba (Kioxia)
- Popular Models:
- Kioxia Exceria Pro SDXC: Designed for professional photographers requiring high-speed performance.
- Kioxia Exceria SDHC/SDXC: Suitable for everyday photography and video recording.
- Popular Models:
- Verbatim
- Popular Models:
- Verbatim Pro+ SDXC: Offers high-speed performance for capturing 4K videos.
- Verbatim Premium SDHC/SDXC: Provides reliable performance for everyday use.
- Popular Models:

