How to Unlock SD Card Without Losing Data: 6 Simple Ways
In this guide, you'll discover 6 easy methods to unlock the SD card without losing data. Whether you're dealing with a hardware switch, software issue, or a corrupted SD card, these steps will help you safely unlock your device and recover your files.
Introduction
SD cards are widely used for storing important data on smartphones, cameras, and other devices. However, sometimes users encounter a frustrating issue where the SD card becomes locked, preventing them from adding, deleting, or editing files. When this happens, it can be a major inconvenience, especially if the card contains critical data like photos, videos, or documents.
Locking an SD card is often a protective measure to prevent accidental deletion or corruption, but it can also result in a situation where you cannot access or modify the data on it. In some cases, the SD card may appear to be "write-protected", or it might become locked for reasons unrelated to user settings, such as software glitches or physical issues.
Common Causes of SD Card Lock
Before trying to unlock your SD card with detailed methods, it's important to understand why the cards became locked in the first place. Here are some common reasons for SD card locks:
🔔Physical Write Protection Switch
Many SD cards have a small switch on the side that can enable write protection. This switch prevents any changes to the files stored on the card, including deletion, modification, or addition of new files.
💽Software Issues
Sometimes, software or operating system errors can cause the SD card to become write-protected or locked. This can happen during file transfers, system updates, or after using third-party software.
📀Corrupted File System
If the file system on the SD card becomes corrupted, the card may become inaccessible or locked to prevent further damage.
✂️Photo Protection Mode
Some cameras or devices, like digital cameras, may apply a lock to certain files or to the entire card to prevent accidental deletion of photos or videos.
🛠️Virus or Malware Infection
In some cases, a virus or malware can cause an SD card to become locked as part of its infection process, making it inaccessible or forcing it into a read-only state.
How to Unlock SD Card Without Losing Data on Windows
If your SD card is locked, take it easy! There are several ways to unlock it without losing any of your precious data. We’ll cover both manual and software-based methods. You can choose the method that suits you based on your actual situation.
Method 1. Unlock with Your Password
Encrypting your SD card can prevent the leakage of your privacy. If you’ve encrypted the SD card with a password, you can unlock it directly with the password on Android phone. Follow these steps to unlock your SD card:
Step 1. Connect your SD card on your Android phone.
Step 1. Open "Settings" > "Lock screen and security" > "Other security settings" > "Decrypt Device".
Step 2. Enter your password, then you can access the SD card normally.
Method 2. Unlock with Lock Switch
Another easy and effective way is to check if the SD card has a physical write protection switch. On most SD cards, this switch is located on the left side of the card. If the switch is in the "lock" position, it will prevent writing to the card.
Step 1. Locate the switch on your SD card.
Step 2. Slide the switch to the unlock side.
Then you can insert the SD card back into your computer or camera and check if the write protection is lifted.
Method 3. Clear Read-Only Status Using Diskpart
If the physical switch is not the issue, it could be that the SD card is marked as "read-only" in Windows. You can use the Diskpart tool to clear the read-only status. This will remove the write-protection attribute from the SD card, allowing you to make changes again.
Step 1. Open Command Prompt and run it as administrator.
Step 2. Type the following command:
Diskpart
List disk
Select disk 1 (replace the number "1" with your SD card number)
attributes disk clear readonly
Once the operation is complete, type "exit" to end the process. Reconnect the SD card to computer or camera to check if it's unlocked.
Method 4. Change File Permission
Sometimes, the SD card becomes locked due to improper file permissions. Changing file permission should unlock the SD card and allow you to access and modify the files on it. To resolve this issue, follow these steps:
Step 1. Connect the SD card to your computer with a correct card reader and locate it in File Explorer.
Step 2. Right click on the SD card and choose "Properties" from the context menu.
Step 3. Go to the "Security" tab and click "Edit".
Step 4. Select your user account and check the box for "Full control", then click "Apply" and "OK" save the changes.
Method 5. Use Registry Editor
For more advanced users, modifying the Windows Registry can sometimes resolve SD card write protection issues. This method can help unlock the SD card if it’s being blocked by Windows settings.
Step 1. Press "Win" + "R" and enter "regedit", then press "Enter" key to open the Registry Editor.
Step 2. Navigate to the path:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies
Step 3. Double click the "WriteProtect" in the right panel and change the Value data to "0". Click "OK" to save the changes.
Step 4. Close the Registry Editor and restart your computer to check if the SD card is still locked.
Method 6. Format SD Card
If all else fails and you still can't unlock the SD card, formatting may be your only option. However, this will erase all data on the card, so only proceed with this step if you’ve already backed up or recovered your data.
Step 1. Insert the SD into your computer and open "Disk Management" by pressing "Win" + "X".
Step 2. Locate the SD card and right click on it, then choose "Format".
Step 3. Select a file system based on your needs and tick the "Perform a quick format" option, then click "Start" to begin the process.
How to Recover Lost Data from Formatted SD Card
Your SD card should now be unlocked, but a new problem has arisen: all data on the SD card was lost after formatting. Are these data permanently gone? Of course not, you can still recover them using professional data recovery tools. One of the best solutions for recovering data from formatted SD card is MyRecover.
This powerful data recovery software is designed to recover lost, deleted, or inaccessible files from all types of storage devices, including SD cards, USB drives, HDDs, SSDs and more. Its intuitive interface allows users of all levels to recover data in just several clicks.

- 500+ Devices Supported | SSD, HDD, USB Flash Drive, SD Sard, etc.
 - 1000+ File Formats Supported | PNG, MP4, MP3, TXT, ZIP, MSG, etc.
 - 500+ Data Loss Scenarios | Deletion, Format, System Crash, Virus Attack, etc.
 
Step 1. Download and install MyRecover on your computer from Microsoft Store.
Step 2. Insert the SD card into your computer with a card reader.
Step 3. Launch the program and select the SD card to scan for lost files, then click "Scan".
Step 4. Choose the files you attempt to recover from the recoverable lists and click "Recover".
Step 5. Select a safe location different from the original one to save the recovered files.
When the process is done, the message "Files have been recovered successfully" will pop up. You can view and verify the recovered files by clicking on the destination folder path or "Browse" button.
The End
Unlocking an SD card doesn’t have to be a stressful experience. Whether it's a simple physical switch, a software issue, or an advanced registry fix, there are multiple methods to get your SD card working again without losing any data. If the SD card is still inaccessible, MyRecover offers an easy and reliable way to recover your lost files.
If you manage large volumes of data, MyRecover’s Professional version is definitely what you need. With it, you can recover unlimited files and preview the file content before restoration. It even supports data recovery from crashed Windows. It’s an excellent option for retrieving photos, videos, and documents from SD cards.