Troubleshooting Write-Protected MicroSD Card on Samsung Galaxy S20: A Comprehensive Guide

If you're encountering write-protected MicroSD card issues on your Samsung Galaxy S20, you're not alone. Many users face this problem, especially when the physical switch on the card is not available. This comprehensive guide provides detailed steps to resolve the issue effectively.

Steps to Resolve Write-Protected MicroSD Card on Samsung Galaxy S20

Follow these steps to diagnose and fix the write-protected MicroSD card issue on your Samsung Galaxy S20.

Step 1: Check the Card in Another Device

The first step is to determine if the issue lies with the card or the device itself.

Remove the MicroSD card from your Samsung Galaxy S20. Insert the card into another device such as a computer or another smartphone. Check if the card is still showing as write-protected.

Step 2: Use a Computer to Format the Card

If the card is recognized by a computer, formatting it may remove the write protection.

Insert the MicroSD card into a card reader connected to your computer. Open File Explorer in Windows or Finder on a Mac. Right-click on the microSD card and select Format. Choose the file system, typically FAT32 for MicroSD cards. Uncheck the Quick Format option. Click Start to format the card.

Step 3: Use Diskpart on Windows

If the card is still write-protected after formatting, you can try using the Diskpart utility.

Press Windows R to open the Run dialog box. Type cmd and press Enter to open the Command Prompt. Type diskpart and press Enter. Type list disk to see all disks connected to your computer. Identify your microSD card and note the correct disk number. Type select disk X replacing X with your disk number. Type attributes disk clear readonly and press Enter. Type exit to close Diskpart.

Step 4: Check for Errors

If the card is not recognized by other devices, it may be corrupted. You can check for errors.

Insert the card into a computer. Open File Explorer and right-click on the drive. Select Properties and go to the Tools tab. Click on Check under Error checking.

Step 5: Check for Encryption or Security Settings

The card may have been used in a device with encryption or security settings. If so, you may need to disable those settings or format the card in that device.

Step 6: Replace the Card

If none of the above steps work and the card is still write-protected, it may be faulty or damaged. In such a case, consider replacing it.

Important Note

Formatting the card will erase all data on it. If you have important files, try to back them up first if possible.

Conclusion

By following these steps, you can effectively diagnose and resolve write-protected MicroSD card issues on your Samsung Galaxy S20. Remember to back up any important data before proceeding with formatting or other corrective measures.