"Weird thing happened. I moved photos from internal storage to SD card on my Galaxy S5. When I tried to view the photos in Gallery, I got this error saying that the photos are corrupted. What was that?"
"My photos on SD card deleted themselves! When I first moved the photos to SD card, it showed up in the Gallery just fine. But several days later, I noticed that some of the photos were missing. It happened to my other files, music, videos, PDF, etc."
Those are not isolated cases. A considerable amount of users have came across the same problems, especially users of Samsung S6/S7/S8/Note 8 with SanDisk. Although there are no specific explanation for this deleted or corrupted problem on SD card, users did discovered some useful solutions. Hope that you find them helpful too.
- Solution 1: Repair Corrupted MicroSD Card
- Solution 2: Unmount and Re-insert SD Card
- Solution 3: Delete the Nomedia File
- Solution 4: Avoid Transfer Many Files At One Time
- Solution 5: Uninstall Troublesome Applications
- Solution 6: Restore Factory Settings
- Fix Data Recovery on Android and SD Card
If the files that you transfer to SD card keeps getting deleted or corrupted, it could be a sign indicating that your SD card is corrupted after long-term use or poor quality. So the first thing you should try is to fix the corrupted memory card by conducting chkdsk command or formatting your SD card with a PC.
Check out the steps to fix corrupted SD Card on Android phone.
If the SD card is can't be repaired, maybe it is time to get a new SD card.
If the photos, music, or files don't show up in the Gallery or play-lists but you can still find them in the folder of your file manager, you should try to re-insert the SD card to solve the problem.
Go to Settings > Storage.
Under your SD card, choose "Unmount the SD card".
Then power off your Android phone. Take your SD card out of the phone.
After a while, re-insert the card and power on the phone.
Now check if the deleted or corrupted photos, songs or files come up.
A Nomedia file is a files stored on an Android phone or on an SD card connected to an Android device. It tells the multimedia players that there are no multimedia data in its folders so the players won't scan the card. If there is a Nomedia file on your phone, your files on SD card are hidden, not deleted or corrupted. Since Nomedia file is hidden and invisible to most build-in file explorers, you need third-party file explorer such as ES File Explorer to access and delete the file:
Open ES File Explorer and tap the blue icon in left upper corner.
Tap Tools and toggle on "Show hidden files".
The Nomedia file will visible.
Delete the file.
Some users found that the files moved to SD card got corrupted only when they are transferred to SD card in big bulk. So they tried to reduce the work load by transferring like SD transfer 5 photos at a time. And some users were glad to find that they never get the corruption error again. But this trick doesn't work for everyone.
Some people found that their SD card files didn't get corrupted until they had a certain app installed on their phones. In that case, it is the troublesome app that causes software conflict. So try to recall if you have recently install a new app, especially outside of Google Play Store. If you did, uninstall the app and clear all its data to see if your SD card works fine after the uninstallation.
If none of the solutions are helpful, your Android phone could be the problem. Try to perform a factory reset to give your phone a fresh new start. But this will erase all data and settings on your Android phone. Therefore you must use the factory reset as the last resort and always backup your data before resetting.
SD card is a great storage option, but it is not safe enough, especially you have purchase a microSD card with limited budget. Therefore, if you have some really important data, it is better to choose a safer storage options:
Backup the files on computer. FonePaw Android Data Recovery can help you transfer photos, videos, music, contacts, messages, WhatsApp messages selectively from Android phone to PC/Mac.
Upload the files to cloud storage, such as Dropbox, Google Drive. But there is just limited storage if you don't purchase more storage.
When the files is deleted or corrupted, there are some ways to recover them back but some of them are complex so if you tend to do file recovery by yourself, check below:
Recover deleted or corrupted files on Android phone & memory card: For both Android phone and the SD card in it, FonePaw Android Data Recovery will analyze them and help you restore the lost files but it may take a longer time.
Recover deleted or corrupted files on SD card only: FonePaw Data Recovery allows you to scan the data on SD card with connecting the card reader to PC. This method doesn't root your device since it won't do anything with devices.