SD Card Security Solutions and How to Decrypt SD Card

About SD Card

  1. Avoid Physical Damages: the small SD card is susceptible to physical damages and you need to keep it away from water, fire and any heavy stuff whenever it is not in use. Once it’s physically broken, the data in your SD card will be unable to be recovered by most data recovery applications.
  2. Keep your SD card in a secure location: besides avoiding physical damages, you should also keep it in a secure location (like a locked cabinet or a safe) to prevent your SD card from being stolen if there is any personal or precious data in it.
  3. Write-protect data: if your SD card is write-protected, the data in it will be unable to be changed or deleted by anyone, including yourself. You can do it by pushing the switch at the left side of the card to the lock position. To remove the write protection, you can push the switch back or find solutions in this post.
  4. Encrypt SD card: another simple way to protect your data from wrong hands is to encrypt SD card. In this way, your SD card will be unable to read without authorized access. You can get the detailed steps in the following part.

How to Encrypt SD Card

  1. Make sure that there is enough power on your device.
  2. You cannot access the encrypted SD card on another device even if you have the password. You need to pay attention that if you lose the original device where you encrypt SD card, you will lose the access to the files forever.
  3. If your device used to encrypt the SD card is reset to factory default settings, it will be impossible to read the encrypted SD card anymore.
  4. You cannot use the card during the encryption process.
  5. To access the files in the encrypted SD card, you can unlock it with the password or decrypt SD card.

Encrypt SD Card on Android

Encrypt SD Card on Windows 10

  • Use a password to unlock the drive: the password should be over 8 characters and contain uppercase and lowercase letters, numbers, spaces and symbols. Besides, you have to reenter your password to confirm it.
  • Use my smart card to unlock the drive: if you choose this option, you will need to insert your smart card, and the smart card PIN will be required when you unlock the drive.

How to Decrypt SD Card

How to Decrypt SD Card with Password on Android

  1. Go to Settings > Lock screen and security > Decrypt SD card.
  2. Input the password, PIN or pattern.
  3. Wait patiently during the decryption process. Keep your device charged and you can check the progress in notification panel.

How to Decrypt SD Card on Windows 10 via Command Prompt

  • List disk
  • Select disk * (* refers to the disk number of your encrypted SD card)
  • Clean

How to Decrypt SD Card on Windows 10 via MiniTool Partition Wizard

Bottom Line

How to Decrypt SD Card FAQ



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