SD Card Shows Read Only? See How to Fix It (5 Solutions)
Q: How to fix my micro SD card that became a read-only memory card?
Your sd card isn't working correctly and has been set to read only on Android, what's this error message? Since the Android external memory card has turned to read only all of a sudden, I can no longer add, write, or delete things from it. How to fix the SD card that mounted as read only?
SD card read only, also known as SD card write-protected, refers to a memory card or micro SD card that you can read, however, cannot modify data on it.
SD Card Read Only Symptoms
Usually, a memory SD card or USB flash drive itself has been locked into "read only" mode; it's because the card is getting old, damaged, corrupted, or infected by a virus. Sometimes, human error will also make SD card read only.
When your Android or camera external SD card mounted as read only, it will prevent you from writing, deleting, copying or moving data on it. Here we'll teach you how to fix a read-only SD card to read-write by [1] checking the write protection tab, or using the [2] Windows command, [3] automatic write protection removal software & [4] a third-party FAT32 to NTFS converter. As long as you successfully remove read only from the SD card, you can go on formatting the SD card freely as you want.
Method 1. Unlock Read-Only SD Card with Physical Write Protection Tab
Most memory cards for Android or Nintendo Switch use are usually with a physical write protection tab. If you find such a tab on your card, then first you need to slide it to the unlocked position to remove the read only attribute.
Step 1: Take out the memory card that is currently in a read only state from your device.
Step 2: Check if there is a physical lock switch on it.
Step 3: Position the lock switch from ON to OFF and unlock the SD card.
Method 2. Remove Read Only from SD Card Using CMD
Related post: how to fix external hard drive or SD card read-only on Mac
Step 1: Plug the read only micro SD card into Windows.
Step 2: Click "Start" > "Run" and enter cmd.
Step 3: Enter diskpart.
Step 4: Type list volume. Now you'll see all your connected drives, see which one is the memory card drive.
Step 5: Type select volume #. # represents the letter of your memory card drive.
Step 6: Type attributes disk clear readonly > removing the write protection.
Copy all the commands here:
- diskpart
- list volume
- select volume #
- attributes disk clear readonly
Method 3. Fix Read Only SD Card Using Write Protection Removal Software
If you don't consider yourself a pro-computer user and you're not familiar with command-lines, don't worry. There are graphical-based solutions to help you remove write-protection from your hard drives, USB drives, and even SD cards.
How to Format Read Only SD Card to Normal
Many people tend to format a memory card when mounted as read-only on their Android phones. However, you all end up with failure because of the error that Windows was unable to complete the format, just like how Windows Disk Management fails to format a write-protected SD card. Only when you removed the read-only attribution on the SD card, you can then format it and restore SD card full capacity.
It's easy to format a read-only SD card by using Qiling partition manager software again. Just plug in your SD card with the read-only problem that you have fixed and follow the simple steps to get a full fix.
Step 1. Open Qiling Partition Master. Connect the your SD card to PC.
Step 2. Select the your SD card in the "Disk management" page and click "Format".
Step 3. In the next window, enter the Partition label, choose the FAT32 file system, and set the cluster size according to your needs, then click "Proceed".
By formatting an SD card that was mounted as read-only can help restore its full capacity and make it work as a new storage card.
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