How To Fix Samsung Galaxy A9 Not Detecting Micro SD Card

The #Samsung #Galaxy #A9 is one of the latest members of the A series of devices that is best known for having four rear cameras. This allows the consumer to take high quality creative photos. This phone has a 6.3 inch Super AMOLED display which is large enough to enjoy watching your favorite videos. It uses the Snapdragon 660 processor combined with 8GB of RAM. Although this is a solid performing device there are instances when certain issues can occur which we will be addressing today. In this latest installment of our troubleshooting series we will tackle the Galaxy A9 not detecting micro SD card issue.

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How To Fix Samsung Galaxy A9 Not Detecting Micro SD Card

Problem: I have a Galaxy A9 which I recently purchased. I have a 128GB SD-card installed in my phone which I have been using since I bought it. Suddenly last week my phone stopped detecting the SD-card. It’s showing SD card – not inserted. The card is working fine with computer. I have done phone hard-reset, wipe cache partition, clean sd-card lead & re-insert, format sd-card in PC & re-insert. Still card is not getting detected. I have tried using another sd-card 32GB from my other phone. This also was not detected in my phone. There was a software updating pending before the card stopped working.So I updated the phone. Still card didn’t get detected. As per my knowledge the only option left now (before going to service-center) is doing a Factory Reset. Could this be a hardware issue or is it a software glitch? Please help. Note: I handle my phone with extreme care so it’s not a mishandling issue (i believe!!).

Solution: Before troubleshooting this issue it’s best to make sure that your phone is running on the latest software version. If an update is available then I suggest that you download and install it first.

Check if the micro SD card works on another device

The first thing that you will need to do in this case is to eliminate the possibility of the problem being caused by a defective micro SD card. Remove the card from your phone then check if it works on another device ( a phone or a computer). If the card can be read by this other device then the issue is most likely caused by a phone problem.

Clean the micro SD card slot

If the micro SD card slot has any dirt or debris in it then this can prevent the phone from reading the micro SD. Clean this slot using a can of compressed air then check if the issue still occurs.

Try using a new micro SD Card

To check if the problem is caused with compatibility issues with the current micro SD card that you are using it’s best to get a new micro SD card and see if this works on your phone.

Perform a soft reset

When you do a soft reset the phone software will be refreshed and will usually fix this kind of problem if is is caused by a software glitch. To do a soft reset press both the volume down and power keys at the same time and hold them down together for 10 seconds. You may feel your phone vibrating at some point but only release both keys if the screen turns on.

Check if the problem occurs in Safe Mode

There are instances when an app you downloaded can cause this problem. To check if this is what’s causing the problem you will need to start the phone in Safe Mode as only the pre-installed apps are allowed to run in this mode.

• Turn the phone off.
• Press and hold the Power key past the model name screen appearing on the screen.
• When SAMSUNG appears on the screen, release the Power key.
• Immediately after releasing the Power key, press and hold the Volume down key.
• Continue to hold the Volume down key until the device finishes restarting.
• When Safe mode appears in the bottom left corner of the screen, release the Volume down key.

If the micro SD card can be recognized in this mode then the problem could be caused by an app you downloaded. Find out what app this is and uninstall it.

Wipe the cache partition of the phone

There are cases when the phone will develop a corrupt cached data. When this happens certain issues will occur on the device such as the one you are experiencing right now. To eliminate this possibility you will have to wipe the cache partition of the phone from the recovery mode.

• Turn off the phone.
• Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
• When the Android logo displays, release all three keys.
• An ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
• Press the Volume down key several times to highlight wipe cache partition.
• Press Power key to select.
• Press the Volume down key to highlight yes, them and press the Power key to select.
• When the wipe cache partition is complete, Reboot system now is highlighted.
• Press the Power key to restart the device.

Perform a factory reset

The last troubleshooting step to consider is a factory reset. This will revert your phone back to its original factory condition. Make sure to backup your phone data before doing this step.

• Turn off the phone.
• Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
• When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
• Press the Volume down key several times to highlight ‘wipe data / factory reset’.
• Press Power button to select.
• Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
• Press Power button to select and start the master reset.
• When the master reset is complete, ‘Reboot system now’ is highlighted.
• Press the Power key to restart the device.
• Check if the issue still occurs.

In case the above steps fails to fix the problem then this is most likely caused by a faulty hardware component, possibly the micro SD card reader module. The best thing to do right now is to bring the phone to a service center and have it checked.

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