Sometimes your Samsung Galaxy S9 may not be able to read the mounted microSD card that you insert. However, don’t worry, in this tutorial, you learn 5 easy ways to fix Samsung Galaxy S9 unable to read mounted SD card issue.
How To Fix Samsung Galaxy S9 Unable To Read Mounted SD card
The first thing to do is check for any updates. This includes software updates for your phone as well as application updates. Please proceed with the following tips once you check for and/or install updates (if any).
Unmount SD Card And Mount Again
Unmount your microSD card:
- Go to Settings-> Device maintenance.
- Tap Storage-> More option-> Storage settings-> SD card.
- Then, choose the option to Unmount.
Once you unmount the SD card, continue by:
- Turn your phone off.
- Remove the S9 card tray by inserting the SIM ejector tool or a paperclip into the slot.
- Once the tray pops up, pull it out and then remove the S9 SD card.
- Check the card for any visible signs of damage or dirt. If there’s none, insert the SD card back into the S9.
- Push the card tray back into its open slot and press it in to secure it.
- Turn on your phone.
- Once the phone boots up, mount the SD card again by going to Settings-> SD card and Phone Storage menu.
- Lastly, tap the option to Mount SD card.
Test to see if your S9 reads your microSD card now by trying to access files on the card.
Mounting SD card While In Safe Mode
Applications can sometimes prevent your S9 from reading the microSD card. To check if this is true, you should reboot your S9 in Sade Mode.
In Safe Mode, only pre-installed apps are allowed to run. If your microSD card works then you know that a third-party app that is preventing your card from mounting properly.
Uninstall apps one by one to determine which app is causing the problem. You may need to restart your device after each app uninstall.
Format Or Re-format SD Card
- Swipe up on an empty spot from the Home screen to open the Apps tray.
- Tap Settings.
- Tap Device maintenance.
- Tap Storage.
- Tap Menu.
- Select Storage settings.
- Tap SD card.
- Select Format.
- Tap Format again to confirm.
- Lastly, tap Done.
Please note that by formatting your SD card you lose all files/data saved on it.
Reset All Settings
- Swipe up on an empty space on the Home screen to open the Apps tray.
- Tap Settings.
- Select General Management.
- Tap Reset.
- Select the option to Reset settings.
- Tap RESET SETTINGS to continue.
- If prompted, enter your PIN.
- Then tap RESET SETTINGS again to confirm
This method only restores the default settings that came with your device. It does not erase files such as images, apps, documents, etc.
Factory Reset
As a last resort, you should try to factory reset your Galaxy S9. However, be sure to back up photos, contacts, and other important files before you do so.
Final Advice
The above tips should help resolve the Galaxy S9 Unable To Read Mounted SD Card issue. However, if your S9 still does not recognize your mounted microSD card, take it to a Samsung repair center or another qualified technician.