There are several times that you might have experienced while adding or modifying data on your SD card, an alert message appears, “The SD card is write protected”. We have listed a few ways by which you can remove write protection on a micro SD card and make additions smoothly. When the SD card is write-protected, it is in a read-only state. There is no scope for any modification or deletion. But you can turn the card into a usable state again by following some easy steps.

In this article, you will learn about how to remove write protection on a Micro SD card. 

How to Remove Write Protection on Micro SD Card


How to Remove Write Protection on Micro SD Card

What is a Write-Protected micro SD card?

A write-protected memory card is that on which data cannot be changed and no new data can be added. The data refers to any kind of audio, video, or text file. Such a case arises due to multiple reasons, for example, the card may be locked, damaged, encrypted by a virus, etc. To remove write protection from the card, certain steps need to be followed. The below article takes you through all the necessary information.

Below mentioned are eight ways to fix write protection from a micro SD card.

#1. Unlock the micro SD card

The first step to removing write protection on your SD card is to check the SD card lock switch. Physical locks are installed in the storage devices usually to ensure protection. If we talk about full-sized cards, almost all of them have a slider on the side of the card. When the slider is towards the Lock arrow that means the card is in a read-only state. Move the slider in the other direction to unlock it. In the case of micro SD cards, the slider does not exist. Instead, insert the card in an adapter to achieve the same locking-unlocking effect.

#2. Run Antivirus Software

There is a huge possibility that your micro SD card has been damaged due to a virus or malware. In such a case, you must connect your memory card to your computer system and run the antivirus software to remove possible viruses or malware. Some recommended antivirus software are Norton Antivirus, McAfee, ESET NOD32, Avira, Avast, AVG, etc.

#3. Remove SD Card Write Protection Using Registry Editor

Before moving on to this step, make sure you have backed up the registry.

Step 1: Connect the SD card to the system using a card reader.

Step 2: Press Windows + R.

Step 3: In the Run dialog, type regedit, and press OK.

Step 4:  Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies.

Step 5:  Locate StorageDevicePolicies or create one

Right-click on “Control” > Click “New” > “Key”, name it “StorageDevicePolicies”.

Step 6: Right-click on StorageDevicePolicies and click “New” > “DWORD Value”. Name it “WriteProtect”.

Step 7:  Double-click on “WriteProtect” change the Value Data to “0” and then click “OK.”

Step 8: Restart the system and re-connect the card to the device.

#4. Reset the Card’s Attributes via CMD

Another way to remove write protection is by using the command prompt on Windows 10. Follow the below steps to remove the write protection attribute from the micro SD card.

Step 1: Connect the SD card to the system.

Step 2: Press Windows + R.

Step 3: In the Run dialog, type cmd and click OK.

Step 4: Type diskpart in the cmd window and click Enter.

Step 5: Type the following commands one by one.

  • list disk. Click Enter.
  • select disk * (replace “*” with the disk number of the micro SD card). Click Enter.
  • attributes disk clear readonly. Click Enter.

#5. Use CHKDSK to monitor space

If the SD card has some bad sectors and has been corrupted somehow, the CHKDSK command in CMD can help you trace the available space and fix errors on the disk.

Step 1: Connect the SD card to the system.

Step 2: Press Windows + R.

Step 3: In the Run dialog, type cmd and click Ctrl + Shift + Enter to run CMD as administrator.

Step 4: Type chkdsk *: /f /r  (where ‘*’ is the drive letter of the SD card example chkdsk h: /f /r).

Step 5: Click Enter to start the process.

#6. Recover Data from Corrupted SD card

If you are experiencing some trouble with your SD card and it has errors due to which some files have been lost. You can try to recover the data from the corrupted SD card.

Step 1: Connect the SD card to your system.

Step 2: Install data recovery software like MiniTool Power Data Recovery.

Step 3: Select the SD card drive and click Scan to recover data from a corrupt or formatted SD card.

You can now locate the files and save them to a new location.

More info on corrupted SD cards and how to fix this problem is here.

#7. Formatting the micro SD card

Formatting the micro SD card is another way of clearing the card of all possible errors and removing write protection as well. Before formatting makes sure to back up the required data.

For ways to format micro SD cards visit here.

#8. Using a new micro SD card

First, check the properties of the card. Connect it to the system. Right-click on your SD card drive and choose Properties. Ensure your SD card isn’t maxed out and the Write Protection property has been turned off. If nothing works, try switching to a new micro SD card.


Ready To Remove The Write Protection?

Choosing the right SD card for your device is an important step. The quality and space along with added parameters should be checked thoroughly before making your pick. It is frustrating when one is not able to use the card space entirely but, with the above-mentioned hacks, you can fix the issue in no time. After removing the write protection, it is necessary to assign a proper file system to your card.



Thanks for reading!

I hope this guide helped you gain all the information about how to remove write protection on micro SD cards. 🙂 


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